--- product_id: 92362975 title: "Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules (3 Bottles) - Niacin Flush" brand: "nutricost" price: "290.42 DT" currency: TND in_stock: true reviews_count: 13 category: "Nutricost" url: https://www.desertcart.tn/products/92362975-nutricost-niacin-vitamin-b3-500mg-240-capsules-3-bottles-niacin store_origin: TN region: Tunisia --- # Non-GMO & Gluten-Free 500mg Niacin per capsule Fast-release formula Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules (3 Bottles) - Niacin Flush **Brand:** nutricost **Price:** 290.42 DT **Availability:** βœ… In Stock ## Summary > πŸ”₯ Elevate your wellness game with Nutricost Niacin – flush with power! ## Quick Answers - **What is this?** Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules (3 Bottles) - Niacin Flush by nutricost - **How much does it cost?** 290.42 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/92362975-nutricost-niacin-vitamin-b3-500mg-240-capsules-3-bottles-niacin) ## Best For - nutricost enthusiasts ## Why This Product - Trusted nutricost brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Fast-Release Formula:** Feel the benefits quickly with rapid absorption capsules - β€’ **Pure & Clean Ingredients:** Non-GMO, gluten-free, and 3rd party tested for peace of mind - β€’ **Power-Packed 500mg Niacin:** Maximize your heart health with potent Vitamin B3 dosage - β€’ **Trusted Quality Assurance:** Manufactured in NSF certified, GMP compliant, FDA registered facility - β€’ **Generous 240-Capsule Supply:** Stay stocked and consistent with a 4-month supply at daily use ## Overview Nutricost Niacin delivers a potent 500mg dose of Vitamin B3 per fast-release capsule, designed to support heart health and blood pressure control. This non-GMO, gluten-free supplement comes in a generous 240-capsule bottle, manufactured under strict NSF, GMP, and FDA standards. Expect the classic niacin flush as a sign of active absorption, making it a trusted choice for health-conscious professionals seeking reliable, high-quality supplementation. ## Description Buy Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules (3 Bottles) - Niacin Flush on desertcart.com βœ“ FREE SHIPPING on qualified orders Review: Too potent! READ THIS POST πŸ“¬ BEFORE BUYING! - I made the mistake of not researching this product before buying. I based my decision on what everybody was writing. After I got the product and I took it I got the flushing and everything as expected but actually, I thought it was much worse than expected. For me, I got all the flushing symptoms worse than expected. It made me feel so dizzy, weak muscles, and thirsty. YES, you get a massive burning feel, worse than I've ever had! Strangely it relaxed all my muscles, made feel like pooping, which I did, rather well, just a healthy poop. The shock on my system made me tired. Do it before bedtime. If you are going to try this product, pls do your research! I always do, but this time I didn't which is dangerous! Unless you are truly suffering from vitamin D3 this product is dangerously potent! FYI for people who aren't good at researching: Vitamin B3 (nicotinic acid, nicotinamide) Vitamin B3 is also known as niacin. There are two forms of vitamin B3: nicotinic acid and nicotinamide What is vitamin B3? Vitamin B3 is also known as niacin. There are two forms of vitamin B3: nicotinic acid and nicotinamide. Why do I need vitamin B3? Vitamin B3 helps release energy from food. It is also involved in the function of the skin, mucous membranes, and nervous system. How much vitamin B3 do I need? The recommended daily allowance (RDA) in the UK (not the USA) of vitamin B3 is 17mg a day for men and 13mg a day for women. This product exceeds regular requirements. Your everyday diet should provide you with all the niacin you need. Nicotinic acid and nicotinamide are both found in food. *******Vitamin B3 cannot be stored in the body, so you must obtain it from your daily diet.********* What happens if I don't have enough vitamin B3? Vitamin B3 deficiency leads to pellagra. Pellagra is characterized by dermatitis and diarrhea. Severe pellagra also causes dementia and is fatal if untreated. ********Pellagra is now rare, but was a major health problem as recently as the 1980s, when it was most commonly seen in communities that consumed a lot of maize.******************************* The vitamin B3 in maize is present in an unavailable form. Where is vitamin B3 found? Vitamin B3 is found in the following foods: bread wheat and maize flour eggs dairy products yeast What are the effects of cooking on vitamin B3? Vitamin B3 is significantly destroyed by excessive exposure to heat and/or water. When cooking, it is important to use fresh food, steam rather than boil and avoid overly long cooking times to preserve vitamins. Do I need to take a vitamin B3 supplement? The Department of Health advises that taking less than 17mg of nicotinic acid supplements a day or less than 500mg of nicotinamide supplements a day is unlikely to be harmful. What are the side effects and safety precautions of taking a vitamin B3 supplement? Vitamin B3 is deemed likely to be safe for most people when taken orally at the required or lower dosage. Commonly reported side-effects of vitamin B3 supplements to include flushing (extreme body heat), tingling, itching or redness of the feet, face, arms and chest; dizziness, temporary weakness, defecating, extreme thirst, tiredness, and headaches. Other minor side-effects of vitamin B3 supplements include an upset stomach, intestinal gas, and mouth pain. The suggested link between stroke risk and vitamin B3 supplements has not been confirmed. What happens if I take too much vitamin B3? *****************Taking over 3g of vitamin B3 a day leads to more serious side-effects, including liver problems, gout, digestive tract ulcers, loss of vision, high blood sugar and an irregular heartbeat.*************** Vitamin B3 has a moderate interaction with the following drugs: alcohol allopurinol (Zyloprim). carbamazepine (Tegretol) clonidine (Catapres) diabetes medications cholesterol-lowering medications primidone (Mysoline) probenecid sulfinpyrazone (Aunturane). Vitamin B3: Eggs are a good source of vitamin B3 as well as protein. Feb 8, 2019, update - I took my vitamin with liquid protein and didn't get any immediate symptoms. I'm still waiting. It's been almost 45 mins. Maybe the key to taking it is taking it with HIGH protein. The flush did come about an hour later. It started with light head tingling and then a stronger burning sensation. Then it became a sunburn like flush throughout my face. It lasts about 40 mins. No body flush. So 2/10/2019 I took another one. At first I thought oh strange nothing. An hour later comes along, head tingling head flush, face flush, massive body flush, muscle weakness, I had to run to the bathroom, loss of bowels (sat on the toilet - i was quite surprised needless to say - cleaned me out well!), weakness was so bad i think i was on the verge of passing out, shut my eyes and leaned against the wall. I got the chills. I was so weak and tired I laid down. Ovaries and tubes felt like they were throbbing and on fire!!! I'm curled up in the fetal position in pain praying it ends. I'm covered in blankets to keep me warm. I guess I fall asleep for about 20 mins. About an hour after it started it all subsided and stopped. I'm very thirsty. I had just got done breakfast (2 eggs and about an ounce of salami) and a little bit of greens protein drink. Two days ago, I had a very potent greens drink with maaca, cocao powder, morninga powder, and homemade kefir. I only got the head flush. After today, I'd need to be super brave to take another tablet. Definitely don't take it before or during work LOL OMG! Review: I ran out of niacin - I ran out of niacin and had never tried this before so I bought them because the price seemed good. I did not realize they were capsules and not hard pills. They are 500 mg and make me turn all red, which is what I was looking for, but I can’t take the whole thing at one time yet so I have a sharp little knife that I cut the end off and spill half of the capsule into my morning drink and I take the other half later in the day. This helps reduce my blood pressure It seems after the being red and itchy wears off. I think it’s a really good brand and I like the effect but just be warned. It’s 500 mg so be ready because it is not non-flushing. But flushing was what I was after so I’m good with it! ## Features - Potent 500mg of Niacin (Vitamin B3) Per Capsule & 240 Capsules Per Bottle - Warning: Will Likely Cause "Niacin Flush." For Non-Flush, try Niacinamide - Consuming On An Empty Stomach May Increase Flush Reaction - Non-GMO, Gluten Free, 3rd Party Tested - Made in a GMP Compliant, FDA Registered Facility ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01IIDB6C6 | | Age Range (Description) | Adult | | Age Range Description | Adult | | Best Sellers Rank | #8,859 in Health & Household ( See Top 100 in Health & Household ) #13 in Vitamin B3 (Niacin) Supplements | | Brand | Nutricost | | Brand Name | Nutricost | | Customer Reviews | 4.2 out of 5 stars 10,028 Reviews | | Diet Type | Gluten Free | | Dosage Form | Capsule | | Flavor | Unflavored | | Global Trade Identification Number | 00810014676302 | | Item Form | Capsule | | Item Weight | 1.3 pounds | | Manufacturer | Nutricost | | Manufacturer Part Number | ZL08078 | | Number of Items | 3 | | Specific Uses For Product | Heart | | UPC | 810014676302 | | Unit Count | 720 Count | ## Product Details - **Brand:** Nutricost - **Diet Type:** Gluten Free - **Flavor:** Unflavored - **Item Form:** Capsule - **Primary Supplement Type:** Vitamin B3 ## Images ![Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules (3 Bottles) - Niacin Flush - Image 1](https://m.media-amazon.com/images/I/71oiOgVx+PL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Too potent! READ THIS POST πŸ“¬ BEFORE BUYING! *by H***L on September 19, 2018* I made the mistake of not researching this product before buying. I based my decision on what everybody was writing. After I got the product and I took it I got the flushing and everything as expected but actually, I thought it was much worse than expected. For me, I got all the flushing symptoms worse than expected. It made me feel so dizzy, weak muscles, and thirsty. YES, you get a massive burning feel, worse than I've ever had! Strangely it relaxed all my muscles, made feel like pooping, which I did, rather well, just a healthy poop. The shock on my system made me tired. Do it before bedtime. If you are going to try this product, pls do your research! I always do, but this time I didn't which is dangerous! Unless you are truly suffering from vitamin D3 this product is dangerously potent! FYI for people who aren't good at researching: Vitamin B3 (nicotinic acid, nicotinamide) Vitamin B3 is also known as niacin. There are two forms of vitamin B3: nicotinic acid and nicotinamide What is vitamin B3? Vitamin B3 is also known as niacin. There are two forms of vitamin B3: nicotinic acid and nicotinamide. Why do I need vitamin B3? Vitamin B3 helps release energy from food. It is also involved in the function of the skin, mucous membranes, and nervous system. How much vitamin B3 do I need? The recommended daily allowance (RDA) in the UK (not the USA) of vitamin B3 is 17mg a day for men and 13mg a day for women. This product exceeds regular requirements. Your everyday diet should provide you with all the niacin you need. Nicotinic acid and nicotinamide are both found in food. *******Vitamin B3 cannot be stored in the body, so you must obtain it from your daily diet.********* What happens if I don't have enough vitamin B3? Vitamin B3 deficiency leads to pellagra. Pellagra is characterized by dermatitis and diarrhea. Severe pellagra also causes dementia and is fatal if untreated. ********Pellagra is now rare, but was a major health problem as recently as the 1980s, when it was most commonly seen in communities that consumed a lot of maize.******************************* The vitamin B3 in maize is present in an unavailable form. Where is vitamin B3 found? Vitamin B3 is found in the following foods: bread wheat and maize flour eggs dairy products yeast What are the effects of cooking on vitamin B3? Vitamin B3 is significantly destroyed by excessive exposure to heat and/or water. When cooking, it is important to use fresh food, steam rather than boil and avoid overly long cooking times to preserve vitamins. Do I need to take a vitamin B3 supplement? The Department of Health advises that taking less than 17mg of nicotinic acid supplements a day or less than 500mg of nicotinamide supplements a day is unlikely to be harmful. What are the side effects and safety precautions of taking a vitamin B3 supplement? Vitamin B3 is deemed likely to be safe for most people when taken orally at the required or lower dosage. Commonly reported side-effects of vitamin B3 supplements to include flushing (extreme body heat), tingling, itching or redness of the feet, face, arms and chest; dizziness, temporary weakness, defecating, extreme thirst, tiredness, and headaches. Other minor side-effects of vitamin B3 supplements include an upset stomach, intestinal gas, and mouth pain. The suggested link between stroke risk and vitamin B3 supplements has not been confirmed. What happens if I take too much vitamin B3? *****************Taking over 3g of vitamin B3 a day leads to more serious side-effects, including liver problems, gout, digestive tract ulcers, loss of vision, high blood sugar and an irregular heartbeat.*************** Vitamin B3 has a moderate interaction with the following drugs: alcohol allopurinol (Zyloprim). carbamazepine (Tegretol) clonidine (Catapres) diabetes medications cholesterol-lowering medications primidone (Mysoline) probenecid sulfinpyrazone (Aunturane). Vitamin B3: Eggs are a good source of vitamin B3 as well as protein. Feb 8, 2019, update - I took my vitamin with liquid protein and didn't get any immediate symptoms. I'm still waiting. It's been almost 45 mins. Maybe the key to taking it is taking it with HIGH protein. The flush did come about an hour later. It started with light head tingling and then a stronger burning sensation. Then it became a sunburn like flush throughout my face. It lasts about 40 mins. No body flush. So 2/10/2019 I took another one. At first I thought oh strange nothing. An hour later comes along, head tingling head flush, face flush, massive body flush, muscle weakness, I had to run to the bathroom, loss of bowels (sat on the toilet - i was quite surprised needless to say - cleaned me out well!), weakness was so bad i think i was on the verge of passing out, shut my eyes and leaned against the wall. I got the chills. I was so weak and tired I laid down. Ovaries and tubes felt like they were throbbing and on fire!!! I'm curled up in the fetal position in pain praying it ends. I'm covered in blankets to keep me warm. I guess I fall asleep for about 20 mins. About an hour after it started it all subsided and stopped. I'm very thirsty. I had just got done breakfast (2 eggs and about an ounce of salami) and a little bit of greens protein drink. Two days ago, I had a very potent greens drink with maaca, cocao powder, morninga powder, and homemade kefir. I only got the head flush. After today, I'd need to be super brave to take another tablet. Definitely don't take it before or during work LOL OMG! ### ⭐⭐⭐⭐⭐ I ran out of niacin *by P***L on August 20, 2026* I ran out of niacin and had never tried this before so I bought them because the price seemed good. I did not realize they were capsules and not hard pills. They are 500 mg and make me turn all red, which is what I was looking for, but I can’t take the whole thing at one time yet so I have a sharp little knife that I cut the end off and spill half of the capsule into my morning drink and I take the other half later in the day. This helps reduce my blood pressure It seems after the being red and itchy wears off. I think it’s a really good brand and I like the effect but just be warned. It’s 500 mg so be ready because it is not non-flushing. But flushing was what I was after so I’m good with it! ### ⭐⭐⭐⭐⭐ Good stuff *by N***A on December 11, 2024* Took one of these this morning on an empty stomach. Washed it down with coffee. 10 minutes later my face starts getting a tad warm. I don't think about it. It doesn't stop getting warmer. 20 minutes, my face is pan seared and now it is travelling down into my chest and legs. The intensity increases to the point where I have to walk around. It felt like I was taking a dip in boiling water. Now in the shower every drop of water feels like pain. It gets worse but I will spare you. A hot ones challenge like no other. This is absolutely 500mg of pure niacin. No doubt it is what they said ## Frequently Bought Together - Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules (3 Bottles) - Niacin Flush - Nutricost Niacin (Vitamin B3) 100mg, 240 Capsules - with Flushing, Non-GMO, Gluten Free --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/92362975-nutricost-niacin-vitamin-b3-500mg-240-capsules-3-bottles-niacin](https://www.desertcart.tn/products/92362975-nutricost-niacin-vitamin-b3-500mg-240-capsules-3-bottles-niacin) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-09*