Folks used to think vitamins popped up just in orange juice or leafy greens. Truth is, Vitamin B3, or niacin, came to light through hardship. Pellagra ravaged the southern United States in the early 1900s, bringing terrible skin lesions, dementia, and deaths. The real kicker? It all traced back to people eating corn-heavy diets without proper processing. A scientist named Joseph Goldberger shined a light on the connection between diet and disease, setting researchers on a path toward understanding niacin. By the late 1930s, Conrad Elvehjem managed to isolate nicotinic acid and nicotinamide, shifting the treatment of nutritional deficiencies to a more science-driven approach. This growing body of knowledge helped governments back the addition of B3 in flour, keeping thousands of families healthier.
Vitamin B3 comes mainly in two forms: nicotinic acid and nicotinamide. Each brings a unique twist to supplements, animal feed, and fortified foods. Nicotinamide hooks health-conscious crowds because it dodges the flushing effect often triggered by nicotinic acid at higher doses. Drug companies blend these into tablets or extended-release capsules to target specific health issues. Food-tech firms invest in stabilization methods, so Vitamin B3 makes it through processing without losing its punch. Farmers value feed-grade B3 because it boosts livestock growth rates and cuts disease, driving down production costs.
Niacin looks like a white, crystalline powder and dissolves a bit better in hot water than cold. Its chemical formula, C6H5NO2, gives the molecule both a carboxyl group and a pyridine ring—believe it or not, that little ring’s the same base found in nicotine, though their effects couldn’t be more different. Nicotinamide shares most features but swaps out the acid group for an amide group, making it a touch more soluble. Both handle shelf life reasonably well, especially away from excessive heat and acidic environments. Throw either into a multivitamin and they keep their shape better than some of the fussier vitamins, such as B6, which can degrade quickly in storage.
Regulatory bodies like the FDA and EFSA lay down the law for purity and dosage. Most pharmaceutical-grade B3 boasts a purity of at least 98.5%, with limits on related compounds. Labels on the shelves should state the form of niacin—nicotinic acid or nicotinamide—plus the exact weight per pill. In the case of foods, look for terms like “niacinamide,” “nicotinic acid,” or simply “Vitamin B3” on ingredient lists. For supplements, the US Pharmacopeia sets dissolution rates, contaminant thresholds, and storage guidelines. Kosher and Halal certifications crop up quite a bit, since community diets span multiple cultures and countries.
Synthetic production of niacin takes place on a massive scale, since natural extraction from yeast or animal tissues doesn’t yield enough for world demand. One of the common industrial routes starts with 3-methylpyridine (beta-picoline), which gets oxidized into nicotinic acid by air in the presence of a vanadium pentoxide catalyst. That’s about as green as industrial chemistry gets at the current level of technology, and ‘byproducts’ mostly come down to water. Flip the switch to nicotinamide, and you’ll find clever chemists using ammonia to slide that amide group right onto the molecule. These robust processes keep cost low and the supply steady.
Niacin and nicotinamide both hold up well in most food and feed applications, showing resistance to heat and light under regular conditions. Treat niacin with reducing agents, and you wind up with nicotinic acid hydrazide, which scientists use in tuberculosis drugs. Tinker with the side groups, and these molecules flex into forms that release vitamin B3 slowly over several hours, which keeps blood levels steady and suits long-term supplementation. The chemistry also lets drugmakers stitch these molecules onto larger constructs, building out prodrugs with unique release profiles. Nutritional science opens up further modifications for custom formulations, matching patient needs more closely.
Supermarkets and science labs use different names for the same family of molecules. “Niacin” stands as the catch-all, whether you’re cooking up bread or making vitamin tablets. Look on supplement labels in North America and you’ll see “nicotinic acid” or “nicotinamide.” European packaging often uses “niacinamide,” and researchers refer to each by strict IUPAC names: pyridine-3-carboxylic acid for niacin or pyridine-3-carboxamide for nicotinamide. Trade names trickle down from these core terms; animal nutrition blends may sport titles like “NiaGen” or “Nicamax.” Watch for “Vitamin PP” or “Pellagra Preventive Factor” in older literature, a nod to niacin’s history of saving lives.
Folks chuck a lot of vitamins into their systems hoping for fast fixes, but B3 has real safety details worth knowing. High doses of nicotinic acid can flush skin, raise blood sugar, and sometimes strain the liver. Tolerance varies—some breeze right through, while others feel miserable after just a mild dose. Daily values balance on a fine line. For supplements, the World Health Organization cautions adults against exceeding 35 mg of nicotinic acid from supplements alone, though the food-born vitamin rarely causes problems. Nicotinamide, more forgiving on the system, sees higher safe doses—up to 500 mg a day in certain clinical trials. Manufacturers lay out occupational handling standards as well: gloves, eye protection, and dust controls keep workers safe in plants where raw material floats in the air.
People run into niacin every day, whether eating breakfast cereal, taking a multivitamin, or caring for livestock. Food fortification ranks high on the list, with governments in over 80 countries mandating B3 addition to flours and grains to drop deficiency disease cases. Doctors prescribe niacin in clinical doses to manage cholesterol, since it raises HDL (the “good” kind), lowers LDL, and can even nudge down triglycerides. Skin cream companies play up its anti-inflammatory properties, using nicotinamide as a key ingredient for acne and rosacea treatments. Veterinarians count on B3 to keep poultry and swine growing robustly, especially in diets high in competing ingredients like corn. Under the hood, biotechnologists deploy vitamin B3 to sustain cell cultures in research and vaccine production.
Scientists keep poking at the edges to see what B3 can unlock next. Mitochondrial research delves into NAD+ and NADP+, which link directly to niacin intake. These molecules power cell metabolism and influence aging mechanisms, drawing the attention of pharmaceutical outfits, biotech start-ups, and aging clinics. Biofortification remains a hot research ticket, with crop scientists engineering rice, maize, and wheat lines to pack in more B3 naturally. Looking toward skin health, trials focus on niacinamide’s role in DNA repair, inflammation, and hyperpigmentation. Pilot studies explore high-dose nicotinamide to shield against certain skin cancers, especially in sun-exposed populations. On the animal health front, B3 research teases out feed efficiency gains and immune boosts, potentially cutting the need for antibiotics in intensive farming.
Vitamin B3 shows a good record for safety at dietary levels, but folks chasing super-high intakes, especially through supplements, risk trouble. Reports track niacin-induced liver injury, mainly in people taking more than 2 grams per day for cholesterol-lowering. Symptoms range from mild upset to jaundice in severe cases, making medical monitoring essential for high-dose therapies. Researchers link occasional glucose intolerance and gout flares to overuse. Kids and pregnant women require special precautions, since developmental studies flag rare but serious risks of overdose. Toxicology labs test formulations for impurities, so allergic reactions from production residues stay rare. Data keeps growing thanks to global supplement markets and long-term clinical studies, supporting more focused safety guidance year by year.
Demand for niacin holds steady and climbs in emerging markets where diet diversity lags. Personalized nutrition sparks new directions, where genetic screening meets vitamin supplementation tailored to specific metabolic needs. Synthetic biology may soon churn out B3 more efficiently, slashing industrial footprints and offering eco-conscious supply chains. Medical research eyeing the NAD+ pathway hints at new therapies in neurodegeneration, diabetes, and lifespan extension. Food security efforts back staple crop fortification and push out niacin-enriched blends to school lunch programs and relief efforts. All signs suggest B3 will keep playing a starring role in health, from the grocery aisles to the big questions of aging and disease prevention.
Vitamin B3, which goes by the names niacin and nicotinamide, has long been a regular in pantries and supplement drawers. You can spot it in multivitamins, some cereals, and plenty of labels in the nutrition aisle. The reason? Its impact covers several crucial systems in the body—energy levels, heart health, skin resilience, and even emotional well-being.
Bodies need fuel, but the energy in your morning bagel doesn’t just light up cells on its own. Here, Vitamin B3 steps in. Scientists understand this because niacin helps convert what you eat into a usable, steady stream of energy. It works with over 400 enzymes in the body to snip and stitch together the molecules that power muscles, nerves, and just about everything else. Athletes and busy folks know the sluggish feeling that comes from missing out on crucial vitamins—B3 helps keep that at bay.
Doctors have recommended niacin for decades, especially for folks struggling with cholesterol. Backed by studies in journals such as the New England Journal of Medicine, niacin supports healthy cholesterol numbers by nudging up the ‘good’ HDL and lowering triglycerides. My own family doctor once mentioned a patient who used niacin as part of a strategy to get cholesterol under control, leading to much better heart checkups. Though it doesn’t replace prescription medication for everyone, it can be a valuable piece of the puzzle.
Dermatologists often talk about niacinamide, a form of Vitamin B3, for its benefits on skin. It helps support skin barrier repair, reduces redness, and can improve the way skin handles inflammation. Adults fighting acne or signs of aging often try creams containing niacinamide because it helps soothe and strengthen. Having struggled with winter dryness, I found that a moisturizer with this vitamin helped keep irritation and peeling at bay.
Recent research highlights another benefit that can’t be ignored. Vitamin B3 helps brain cells function by fueling the tiny machines inside them, called mitochondria. Some studies show a link between adequate B3 intake and a lower risk of memory problems or cognitive decline with age. I’ve watched older relatives worry about brain fog, and it’s reassuring to know that nourishing meals—packed with B3-rich foods like chicken, fish, and peanuts—can make a positive difference.
Most people get enough Vitamin B3 through a balanced diet, but there’s room for improvement. Stressful schedules and fast food habits mean some folks fall short. Instead of jumping to supplements, looking at diet first makes sense. Regular meals with lean meats, legumes, seeds, and whole grains usually cover the need. Those with special diets or health concerns—like people with certain chronic illnesses or those over 60—might talk to a healthcare provider about whether a supplement helps fill any gaps.
Focusing on Vitamin B3 serves as a reminder: small nutrients can have a big impact. Eating a variety of foods, reading trustworthy sources, and staying in touch with medical professionals helps keep energy levels up and bodies running smoothly. Whether it’s for more energy to run a marathon or healthy skin in the middle of winter, paying attention to this humble vitamin makes a clear difference in daily life.
Vitamin B3, also called niacin, doesn’t always show up in daily conversations. But anyone who has ever dealt with fatigue or wondered about their sluggishness might want to pay more attention to it. This nutrient helps the body convert food into energy, and without it, staying motivated or keeping a sense of well-being can become a struggle.
I’ve worked in nutrition counseling, and I often see people deal with low energy or brain fog. After some bloodwork or a discussion, we find out that their vitamin B3 levels are a bit off. Niacin plays a real role in keeping cholesterol levels in check, supporting nerve function, and even helping skin look healthy. So getting the amount right becomes a bit more important than folks might think.
According to the National Institutes of Health, adults should aim for around 14 to 16 milligrams of niacin each day. For women, the recommended amount sits at 14 mg. Men do better with about 16 mg. These numbers help most people keep their bodies fueled and functioning.
Kids need less. From my experience working with parents, I’ve seen concerns about giving children supplements. For children, the daily requirement changes with age: toddlers between 1 and 3 need only 6 mg; children aged 4 to 8 need 8 mg; older kids (9 to 13) require around 12 mg. Teens start to match adult needs as their bodies grow and use up more energy.
Most people can meet daily niacin targets just by eating a balanced diet. Animal products such as chicken, beef, and turkey offer good sources. Peanut butter, mushrooms, and green peas deliver for people following a vegetarian or plant-based diet. Whole grains and fortified cereals help fill in the gaps, which means people who pay a bit of attention during grocery shopping stay on track.
In real life, problems usually crop up for folks skipping meals or dealing with restrictive diets. Anyone leaning heavily on processed food, or skipping protein sources, could run short. Some health conditions — Crohn’s disease, alcoholism, and others — block absorption, so the body can’t access this vitamin even when it’s present in food.
Doctors and nutritionists talk about moderation for good reason. Falling far below these recommended amounts can trigger symptoms like rough skin, digestive issues, or even depression. Too much, on the other hand, especially from supplements, leads to flushing, headaches, or damage to the liver. I know several people who wanted “an energy boost” and took high-dose niacin pills — they ended up regretting it because of side effects like intense skin flushing and, in a few cases, trouble sleeping.
Some people really need supplements — a doctor should make that call. Over-the-counter bottles tempt folks who think more is always better, but with B3 this can backfire. The Food and Drug Administration warns that regular doses over 35 mg a day (from supplements or medicine, not food) could cause side effects.
If someone suspects a deficiency or wants to try supplements for conditions like cholesterol, the best move involves consulting a doctor or a registered dietitian first. This way, it’s easier to avoid both deficiency and “more than necessary” pitfalls.
Vitamin B3, often called niacin, fills up shelves at health stores and gets thrown into plenty of online shopping carts. It's easy to trust a product that promises to boost energy and shield the body from all sorts of health problems. After all, B3 plays a real part in keeping our cells working and helping us turn food into usable fuel. But there’s more to the story than a colorful label or the latest fitness influencer’s post.
Supplements aren’t always about getting more of something good; sometimes, they bring surprises we’d rather avoid. Plenty of folks start taking Vitamin B3 because doctors sometimes suggest it for cholesterol problems. High doses can lower LDL cholesterol and raise HDL, which matters for heart health. What gets left out of these success stories, though, are the very real side effects that can show up, especially with pills and powders sold over the counter.
Anyone who has tried more than a small dose of niacin probably knows the “niacin flush”—skin turns red and itchy, a burning feeling rushes across the face, and the sensation can stick around for up to an hour. This isn’t dangerous, but it’s uncomfortable and unexpected for most people who pick up a supplement after seeing health claims online.
Taken on an empty stomach or in large amounts, Vitamin B3 also brings the risk of a sour stomach. Nausea, diarrhea, or general queasiness can creep in after a couple of days. People who already struggle with heartburn or tummy problems can get caught off-guard by these reactions.
Doctors know high doses of niacin can put a real strain on the liver. Over months or years, especially at doses above what any normal food can deliver, the liver struggles to process the excess. This can lead to inflammation and, in rare cases, real liver damage. Blood tests at the doctor’s office can show warning signs before things get too bad, but most folks popping supplements without medical guidance never get these tests. The FDA has received well-documented reports of serious liver injuries from long-term niacin use.
People living with diabetes or even mild blood sugar problems need a heads-up: niacin can push blood sugar levels higher than expected. According to the American Diabetes Association, both niacin pills and some B3-rich “energy” drinks increase insulin resistance over time. The irony? Someone could take niacin thinking it protects their heart, only to set themselves up for fresh blood sugar problems down the road.
Niacin-rich foods like chicken, tuna, mushrooms, and peanuts tend to offer enough Vitamin B3 for most people. Supplements do have a role for specific cases—maybe your doctor sees a medical need, or you’re managing a diagnosed deficiency. It’s wise to read labels, aim for the lowest effective dose, and keep your doctor in the loop. This approach lets you tap into the real benefits of Vitamin B3 while steering clear of nasty surprises.
Vitamins shouldn’t get a free pass. They’re not risk-free, and slogans on supplement bottles don’t tell the whole story. Like many nutrients, Vitamin B3 makes a difference when your body needs it. But large doses, especially over long periods, bring enough risks to slow things down and double-check if a supplement is truly necessary. Real health doesn’t come in a bottle alone; most of the time, it starts with good food and careful choices.
Moving through a pharmacy aisle, it's not rare to spot bottles boasting the benefits of Vitamin B3, also called niacin. This vitamin helps the body convert food into energy, keeps skin clear, and supports healthy nerves. Some people turn to it for managing cholesterol. Doctors have prescribed high doses for cholesterol issues for decades, mostly before stronger cholesterol drugs appeared.
Blending supplements and prescription pills often raises questions. Vitamin B3 can interact with certain medications, and sometimes that mix-up can change how someone feels or even put their health at risk.
For anyone taking cholesterol medicines—statins like simvastatin or lovastatin, for example—the combination with niacin sometimes boosts the risk of muscle damage, liver trouble, and changes in blood sugar. This isn’t a side effect in every case, but it's been seen enough times to worry doctors. A 2014 meta-analysis published in the New England Journal of Medicine highlighted how adding niacin to statin therapy didn't further cut heart risks, but it raised the odds of harm.
Diabetes medications interact with Vitamin B3, too. Niacin can spike blood sugar levels. A person living with diabetes would want to watch those numbers closely. Blood thinners, like warfarin, can also become more unpredictable with B3 onboard, making careful monitoring a smart move.
Doctors used to hand niacin out with a free hand for cholesterol, especially before statins became mainstream. I remember my uncle taking high doses every day, only to suffer constant facial flushing and occasional headaches. Labs later showed his liver struggling, and his doctor decided to stop the supplement. This happens because the body breaks down niacin through the liver, and extra load can push things out of balance.
For most people, modest doses found in a multivitamin or diet pose little issue. The body needs Vitamin B3, and foods like chicken, turkey, peanuts, and mushrooms provide plenty for many diets. Issues start showing up when someone takes more than the upper safe limit—above 35 mg daily—especially through nutritional supplements.
The easiest way to avoid trouble comes down to honesty at the doctor’s office. Speak up about vitamins, prescription medicines, and any herbal fixes. Pharmacists keep checklists on hand for supplement-drug combinations that could cause problems.
Instead of self-medicating with high doses, ask a healthcare provider what makes sense for your goals. If lowering cholesterol is your aim, diet tweaks and exercise get better results, sometimes with fewer risks than vitamin overloading. For nerve issues or skin concerns, prescribed doses under supervision outshine any guesswork with over-the-counter bottles.
Blood tests to check liver function and blood sugar go a long way for those who take niacin regularly. This helps catch side effects before they create big problems.
Vitamin B3 holds a place in our diets and medicine cabinets, but no pill works in isolation. Mixing it with prescriptions, especially for heart, diabetes, or bleeding concerns, deserves careful attention. A conversation with a trusted provider can clear up most confusion. In an age where self-care runs alongside medicine, the smartest path weaves in both common sense and scientific evidence.
Growing up, nobody at the dinner table ever talked about niacin. Once I started paying attention to nutrition, I realized vitamin B3, or niacin, shows up in meals all the time if you know where to look. Getting enough of it supports energy, keeps nerves and skin healthy, and helps lower cholesterol. Missing it can lead to feeling tired, skin irritation, brain fog, or even pellagra, a disease that still affects people in places where corn makes up most of the diet.
If you eat meat, odds are you get plenty of B3. Chicken breast tops the list. Roasted or grilled, one regular portion brings in most of a day’s worth of niacin. Tuna, not the stuff packed in oil but the lean kind, is another powerhouse. Salmon cooks up rich in B3 and comes with omega-3s, so you get a double win for brain and heart health. Turkey, especially the light meat, and beef—sirloin or ground—both deliver solid doses. Even pork chops keep levels healthy. Eggs and dairy hold less niacin, but every bit counts if you eat them often.
You don’t need animal foods to hit vitamin B3 targets. Mushrooms, especially portobellos, bring a surprising amount. Peanuts, which I used to think only mattered for protein, actually serve up a reliable B3 hit. Sunflower seeds belong in any lunchbox. Both brown rice and whole wheat bread bring more of this vitamin than their white, processed versions. Green peas and sweet potatoes land further down the list but still deserve a spot on the table.
Beans of all kinds—kidney, black, navy—contribute niacin along with fiber and protein. Lentils and chickpeas finish out hearty stews with solid nutrition. Corn, a favorite in so many cultures, played a complicated role in B3 deficiency. Processing it with lime or ash (nixtamalization) unlocks the vitamin, and people in Latin America figured that out over 2,000 years ago. As a result, traditional tortillas and pozole bring more niacin than plain corn alone.
Boiling vegetables or meat means some vitamins slip into the water, especially if you throw out the broth. Roasting, grilling, or sautéing helps keep nutrients locked in. Rotating recipes helps guarantee enough B3 comes from a mix of sources, and it breaks the rut of eating the same three foods each week.
My own experience proved results don’t require big shifts. Swapping white rice for brown and adding nuts to snack time boosted my vitamin intake. Periodically reaching for mushrooms instead of just onions in soup made dinner more interesting and nutritious. If you eat meat, keeping some lean chicken or fish in the fridge covers you for the week. For those skipping animal foods, stocking up on beans, nuts, and whole grains gets the job done.
In parts of the world struggling with food diversity, nutrition programs can teach about these foods and traditional preparation methods. Fortification, like adding B3 to flour, works in many countries. Still, getting nutrients straight from whole foods means picking up fiber, healthy fats, and protein at the same time.
Eating for nutrients doesn’t mean hunting down rare superfoods. It’s usually about paying attention to everyday choices and putting a mix of familiar foods on the plate. Whether you love herb-roasted chicken or peanut curry, meals can easily support vitamin B3 needs—no need to chase down something fancy. Sometimes what keeps you healthy is already in the kitchen.
| Names | |
| Preferred IUPAC name | pyridine-3-carboxylic acid |
| Other names |
Niacin Nicotinic acid Nicotinamide Niacinamide |
| Pronunciation | /ˈvaɪ.tə.mɪn ˌbiː ˈθriː/ |
| Preferred IUPAC name | pyridine-3-carboxylic acid |
| Other names |
Niacin Nicotinic acid Nicotinamide Niacinamide |
| Pronunciation | /ˈvaɪ.tə.mɪn ˈbiː θriː/ |
| Identifiers | |
| CAS Number | 59-67-6 |
| Beilstein Reference | Beilstein 1106 |
| ChEBI | CHEBI:27373 |
| ChEMBL | CHEMBL154 |
| ChemSpider | 6914 |
| DrugBank | DB00154 |
| ECHA InfoCard | DTXSID5020827 |
| EC Number | 3.5.1.19 |
| Gmelin Reference | 8905 |
| KEGG | C00153 |
| MeSH | D014802 |
| PubChem CID | 938 |
| RTECS number | UF8225000 |
| UNII | 4QD397987E |
| UN number | UN1176 |
| CompTox Dashboard (EPA) | DTXSID2020463 |
| CAS Number | 59-67-6 |
| Beilstein Reference | 385873 |
| ChEBI | CHEBI:27373 |
| ChEMBL | CHEMBL154 |
| ChemSpider | 5764 |
| DrugBank | DB00154 |
| ECHA InfoCard | ECHA InfoCard: 100.003.281 |
| EC Number | 3.5.1.19 |
| Gmelin Reference | 49510 |
| KEGG | C00153 |
| MeSH | D000081 |
| PubChem CID | 938 |
| RTECS number | UF3530000 |
| UNII | 4Q8I099Z38 |
| UN number | “2811” |
| CompTox Dashboard (EPA) | DTXSID4020703 |
| Properties | |
| Chemical formula | C6H5NO2 |
| Molar mass | 122.12 g/mol |
| Appearance | White crystalline powder |
| Odor | Odorless |
| Density | 1.40 g/cm3 |
| Solubility in water | soluble |
| log P | 0.6 |
| Vapor pressure | 0.0 mmHg at 25°C |
| Acidity (pKa) | 4.8 |
| Basicity (pKb) | 4.4 |
| Magnetic susceptibility (χ) | Diamagnetic |
| Refractive index (nD) | 1.511 |
| Viscosity | Low |
| Dipole moment | 2.45 D |
| Chemical formula | C6H5NO2 |
| Molar mass | 122.12 g/mol |
| Appearance | White crystalline powder |
| Odor | Odorless |
| Density | 1.4 g/cm3 |
| Solubility in water | Soluble in water |
| log P | -0.37 |
| Vapor pressure | 0.0 mmHg at 25°C |
| Acidity (pKa) | 4.85 |
| Basicity (pKb) | 2.96 |
| Refractive index (nD) | 1.545 |
| Dipole moment | 4.10 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 589.73 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -389.0 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -3773 kJ mol⁻¹ |
| Std molar entropy (S⦵298) | 435.5 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -421.6 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -3233 kJ/mol |
| Pharmacology | |
| ATC code | A11HA01 |
| ATC code | A11HA01 |
| Hazards | |
| Main hazards | May cause eye and skin irritation. |
| GHS labelling | GHS07: Exclamation mark |
| Pictograms | ☀️💊 |
| Signal word | Warning |
| Hazard statements | H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation. |
| Precautionary statements | Keep out of reach of children. If pregnant, nursing, or taking any medications, consult your healthcare professional before use. Store in a cool, dry place. Do not exceed recommended dosage. |
| Autoignition temperature | 400 °C |
| Lethal dose or concentration | LD50 (oral, rat): 7,000 mg/kg |
| LD50 (median dose) | 3500 mg/kg |
| NIOSH | WF2475000 |
| PEL (Permissible) | 35 mg/day |
| REL (Recommended) | 16 mg |
| IDLH (Immediate danger) | No IDLH established |
| Main hazards | Not hazardous. |
| GHS labelling | Not classified as hazardous according to GHS. |
| Pictograms | ☀️💊 |
| Signal word | Warning |
| Hazard statements | Hazard statements: Not a hazardous substance or mixture according to the Globally Harmonized System (GHS). |
| Precautionary statements | IF PREGNANT OR BREAST-FEEDING, ask a health professional before use. KEEP OUT OF REACH OF CHILDREN. In case of overdose, get medical help or contact a Poison Control Center right away. |
| NFPA 704 (fire diamond) | Health: 1, Flammability: 1, Instability: 0, Special: - |
| Autoignition temperature | 415°C |
| Lethal dose or concentration | LD50 (oral, rat): 7,000 mg/kg |
| LD50 (median dose) | 3500 mg/kg |
| NIOSH | VTW35000 |
| PEL (Permissible) | 15 mg |
| REL (Recommended) | 15 mg |
| IDLH (Immediate danger) | Not listed. |
| Related compounds | |
| Related compounds |
Nicotinamide Nicotinic acid Nicotinamide riboside Nicotinamide mononucleotide NAD+ NADP+ |
| Related compounds |
Niacinamide Nicotinic acid Nicotinamide riboside Nicotinamide adenine dinucleotide (NAD+) Nicotinamide mononucleotide (NMN) |