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Gluten-free. No milk, shellfish, fish, corn, egg, peanuts, or soy. Low-flush niacin: each endur-acin tablet contains 500mg of niacin as nicotinic acid vitamin B-3 in a vegetable wax matrix tablet core for an extended release over 6-8 hours.
*. Meets strict good manufacturing practices: Manufactured and packaged in the Pacific Northwest, USA at an FDA registered facility. Optimal absorption & maximum effectiveness: the proprietary vegetable-based wax matrix melts at body temperature to slowly release nutrients over 6-8 hours, mimicking how your body processes food.

Low-flush niacin: each endur-acin tablet contains 250mg of niacin as nicotinic acid vitamin B-3 in a vegetable wax matrix tablet core for an extended release over 6-8 hours.
Meets strict good manufacturing practices: Manufactured and packaged in the Pacific Northwest, USA at an FDA registered facility. Free of common allergens: vegan/vegetarian safe. This minimizes side effects and digestive upset. *.




Free of common allergens: vegan/vegetarian safe. This minimizes side effects and digestive upset.
Gluten-free. Heart health and cholesterol balance: Backed by clinical research and may help maintain healthy cholesterol levels within the normal range. *. No milk, wheat, shellfish, or soy. Low-flush niacin: each endur-acin tablet contains 750mg of niacin as nicotinic acid vitamin B-3 in a vegetable wax matrix tablet core for an extended release over 6-8 hours.

*. Gluten-free. Free of common allergens: vegan/vegetarian safe. Optimal absorption & maximum effectiveness: the proprietary vegetable-based wax matrix melts at body temperature to slowly release nutrients over 6-8 hours, mimicking how your body processes food.
No salt, corn, wheat, fish, tree nuts, peanuts, starch, egg, yeast, sugar, artificial flavorings, shellfish, or preservatives. No milk, or soy. Heart health and cholesterol balance: Backed by clinical research and may help maintain healthy cholesterol levels within the normal range. *. Family-owned and operated since 1978.

During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
Product note: exposure to heat or sunlight may lead to melting/damage of product. Niacin 500 mg tablets/vitamin b-3: niacin vitamin b-3 is an essential B-group vitamin necessary for good health. To further limit these uncomfortable but not dangerous symptoms, take daily and avoid missing doses.


Wonder labs' niacin 500mg Time Release formula minimizes flushing/itching. Gmp quality assured: every aspect of the Wonder Labs manufacturing process has been examined, including our laboratory/testing methods for stability, potency, and product formulation.
1. EPC ENDURANCE PRODUCTS COMPANY
#ad
Vitamin B3 Niacin 500mg Extended Release & Low-Flush, Endurance Products, ENDUR-ACIN Niacin, 200 Tablets, Supports Cholesterol Balance & Heart Health
#adEPC ENDURANCE PRODUCTS COMPANY #ad - Free of common allergens: vegan/vegetarian safe. Family-owned and operated since 1978. This minimizes side effects and digestive upset. *. No salt, artificial flavorings, yeast, starch, sugar, wheat, tree nuts, or preservatives.Gluten-free. No milk, shellfish, fish, corn, egg, peanuts, or soy. Low-flush niacin: each endur-acin tablet contains 500mg of niacin as nicotinic acid vitamin B-3 in a vegetable wax matrix tablet core for an extended release over 6-8 hours.
More information #ad
Heart health and cholesterol balance: Backed by clinical research and may help maintain healthy cholesterol levels within the normal range. *. Meets strict good manufacturing practices: Manufactured and packaged in the Pacific Northwest, USA at an FDA registered facility. Optimal absorption & maximum effectiveness: the proprietary vegetable-based wax matrix melts at body temperature to slowly release nutrients over 6-8 hours, mimicking how your body processes food.
Brand | EPC ENDURANCE PRODUCTS COMPANY #ad |
Manufacturer | Endurance Products Company #ad |
Height | 4.5 Inches |
Length | 2.25 Inches |
Weight | 0 Pounds |
Width | 2.25 Inches |
Part Number | 15802 |
More information #ad
2. Endurance Products
#ad
Non-GMO, Endurance Products ENDUR-ACIN 250mg Niacin, Extended Release for Optimal Absorption & Low-Flush Vitamin B-3, Vegan, Gluten Free Company, 200 Tablets
#adEndurance Products #ad - Heart health and cholesterol balance: Backed by clinical research and may help maintain healthy cholesterol levels within the normal range. *. No milk, shellfish, or soy. No salt, tree nuts, sugar, fish, peanuts, corn, yeast, egg, starch, wheat, artificial flavorings, or preservatives.Low-flush niacin: each endur-acin tablet contains 250mg of niacin as nicotinic acid vitamin B-3 in a vegetable wax matrix tablet core for an extended release over 6-8 hours.
More information #ad
Family-owned and operated since 1978. Gluten-free. Optimal absorption & maximum effectiveness: the proprietary vegetable-based wax matrix melts at body temperature to slowly release nutrients over 6-8 hours, mimicking how your body processes food. Meets strict good manufacturing practices: Manufactured and packaged in the Pacific Northwest, USA at an FDA registered facility. Free of common allergens: vegan/vegetarian safe. This minimizes side effects and digestive upset. *.
Brand | Endurance Products #ad |
Manufacturer | Endurance Products #ad |
Height | 3.5 Inches |
Length | 2 Inches |
Weight | 0 pounds |
Width | 2 Inches |
Part Number | 608729569459 |
More information #ad
3. EPC ENDURANCE PRODUCTS COMPANY
#ad
200 Tablets, ENDUR-FLEX Sustained Release, Vitamin B3 Niacin 500mg Extended Release & Low-Flush, 500mg Glucosamine & 200mg Chondroitin, 200 Tablets and ENDUR-ACIN Niacin
#adEPC ENDURANCE PRODUCTS COMPANY #ad - No salt, wheat, peanuts, or preservatives. Gluten-free. Free of common allergens: vegan/vegetarian safe. No milk, shellfish, tree nuts, yeast, egg, sugar, starch, fish, artificial flavorings, corn, or soy.More information #ad
Brand | EPC ENDURANCE PRODUCTS COMPANY #ad |
More information #ad
4. Endurance Products
#ad
Vitamin B3 Niacin 500mg Extended Release & Low-Flush, 200 Tablets, 150mg Sustained Release Grape Seed Extract, 120 Tablets and ENDUR-ACIN Niacin, Endurance Products MegaNatural BP
#adEndurance Products #ad - Gluten-free. No salt, yeast, corn, wheat, egg, starch, shellfish, fish, tree nuts, sugar, artificial flavorings, peanuts, or preservatives. No milk, or soy. Free of common allergens: vegan/vegetarian safe.More information #ad
Brand | Endurance Products #ad |
More information #ad
5. EPC ENDURANCE PRODUCTS COMPANY
#ad
500mg Glucosamine & 200mg Chondroitin, 200 Tablets and ENDUR-ACIN 250mg Niacin, Extended Release for Optimal Absorption & Low-Flush Vitamin B-3, 200 Tablets, Sustained Release
#adEPC ENDURANCE PRODUCTS COMPANY #ad - No salt, tree nuts, corn, starch, fish, egg, yeast, wheat, artificial flavorings, peanuts, shellfish, or preservatives. Free of common allergens: vegan/vegetarian safe. No milk, sugar, or soy. Gluten-free.More information #ad
Brand | EPC ENDURANCE PRODUCTS COMPANY #ad |
More information #ad
6. EPC ENDURANCE PRODUCTS COMPANY
#ad
Vegan, 200 Tablets, Extended Release for Optimal Absorption & Low-Flush Vitamin B3, Endurance Products Company, ENDUR-ACIN 750mg Niacin, Non-GMO, Gluten Free
#adEPC ENDURANCE PRODUCTS COMPANY #ad - Meets strict good manufacturing practices: Manufactured and packaged in the Pacific Northwest, USA at an FDA registered facility. Optimal absorption & maximum effectiveness: the proprietary vegetable-based wax matrix melts at body temperature to slowly release nutrients over 6-8 hours, mimicking how your body processes food.Free of common allergens: vegan/vegetarian safe. This minimizes side effects and digestive upset.
More information #ad
*. Family-owned and operated since 1978. No salt, egg, starch, artificial flavorings, fish, peanuts, sugar, yeast, corn, tree nuts, or preservatives. Gluten-free. Heart health and cholesterol balance: Backed by clinical research and may help maintain healthy cholesterol levels within the normal range. *. No milk, wheat, shellfish, or soy. Low-flush niacin: each endur-acin tablet contains 750mg of niacin as nicotinic acid vitamin B-3 in a vegetable wax matrix tablet core for an extended release over 6-8 hours.
Brand | EPC ENDURANCE PRODUCTS COMPANY #ad |
Manufacturer | Endurance Products #ad |
Height | 5 Inches |
Length | 2.5 Inches |
Weight | 0.56 Pounds |
Width | 2.5 Inches |
Part Number | 608729569503 |
More information #ad
7. EPC ENDURANCE PRODUCTS COMPANY
#ad
Endurance Products Company, Vegan, ENDUR-ACIN 250mg Niacin, Extended Release for Optimal Absorption & Low-Flush Vitamin B-3, Non-GMO, Gluten Free, 100 Tablets
#adEPC ENDURANCE PRODUCTS COMPANY #ad - Low-flush niacin: each endur-acin tablet contains 250mg of niacin as nicotinic acid vitamin B-3 in a vegetable wax matrix tablet core for an extended release over 6-8 hours. This minimizes side effects and digestive upset.*. Gluten-free. Free of common allergens: vegan/vegetarian safe. Optimal absorption & maximum effectiveness: the proprietary vegetable-based wax matrix melts at body temperature to slowly release nutrients over 6-8 hours, mimicking how your body processes food.
More information #ad
Meets strict good manufacturing practices: Manufactured and packaged in the Pacific Northwest, USA at an FDA registered facility. No salt, corn, wheat, fish, tree nuts, peanuts, starch, egg, yeast, sugar, artificial flavorings, shellfish, or preservatives. No milk, or soy. Heart health and cholesterol balance: Backed by clinical research and may help maintain healthy cholesterol levels within the normal range. *. Family-owned and operated since 1978.
Brand | EPC ENDURANCE PRODUCTS COMPANY #ad |
Manufacturer | Endurance Products #ad |
Height | 4 Inches |
Length | 2 Inches |
Weight | 5 ounces |
Width | 2 Inches |
Part Number | B0142WNB7U |
Model | B0142WNB7U |
More information #ad
8. NOW
#ad
Niacin Vitamin B-3 500 mg, Nutritional Health, 250 Tablets, NOW Supplements, Sustained Release
#adNOW #ad - Gmp quality assured: npa a-rated gmp certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods for stability, potency, and product formulation. Certifications/classifications: soy free, Made without Gluten, Nut Free, Egg Free, Dairy Free, Kosher, Vegan/Vegetarian.During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
More information #ad
Hence customers are expected to be available during the product delivery. Packaged in the usa by a family owned and operated company since 1968. Sustained release to minimize flushing: niacin supplements may sometimes temporarily cause flushing and/or itching, but this sustained release tablet should minimize those symptoms. Product note: exposure to heat or sunlight may lead to melting/damage of product. Niacin 500 mg tablets/vitamin b-3: niacin vitamin b-3 is an essential B-group vitamin necessary for good health. To further limit these uncomfortable but not dangerous symptoms, take daily and avoid missing doses.
Brand | NOW #ad |
Manufacturer | NOW Sports - Nutrition and Wellness #ad |
Height | 4.75 Inches |
Length | 2.63 Inches |
Weight | 0.52 Pounds |
Width | 2.63 Inches |
Part Number | 0482 |
Model | 0482 |
More information #ad
9. Doctor's BEST
#ad
Doctor's Best TimeRelease Niacin with niaxtend NonGMO Vegan Gluten Free 500 mg Tablets, 120 Count
#adDoctor's BEST #ad - Niacin, also known as vitamin b3 or nicotinic acid, supports more than 500 enzymatic reactions that play pivotal roles in metabolism, energy production, and healthy aging.More information #ad
Real niacin provides niacin in an 8-hour extended-release form that enables you to enjoy the health benefits of niacin without experiencing the uncomfortable skin flushing that commonly accompanies other forms of niacin.Brand | Doctor's BEST #ad |
Manufacturer | Doctor’s Best, Inc #ad |
Height | 3.6 Inches |
Length | 2.1 Inches |
Weight | 2.9 Pounds |
Width | 2.1 Inches |
Part Number | DRB-00242 |
Model | DRB-00242 |
More information #ad
10. Wonder Laboratories
#ad
Wonder Laboratories High Potancy Time Release Niacin Vitamin B3 500 Mg 300 Tablets Non-GMO, Gluten Free Supplement
#adWonder Laboratories #ad - All-natural, soy free, gluten free, Dairy Free, Egg Free, non-gmo, vegan/vegetarian, and Nut Free. High potency time release 500 mg niacin as nicotinic acid/Vitamin B3 is an essential B-group vitamin necessary for good health.Wonder labs' niacin 500mg Time Release formula minimizes flushing/itching. Gmp quality assured: every aspect of the Wonder Labs manufacturing process has been examined, including our laboratory/testing methods for stability, potency, and product formulation.
More information #ad
Time release niacin minimizes flushing: high potency Niacin supplements sometimes temporarily cause flushing and/or itching due to capillaries to expanding, increasing blood flow to the surface. Manufactured and packaged in the USA by a family owned and operated company since 1962.Brand | Wonder Laboratories #ad |
Manufacturer | Wonder Laboratories #ad |
Weight | 0.73 Pounds |
Part Number | 5005 |
More information #ad