Niacinamide
Review before taking
- Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
- 100% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · grounded in 1 source · methodologyNiacin supports cellular energy production and may improve lipid profiles, though research evidence for this specific formulation is limited. Due to a safety score of 60, users should be aware of potential side effects such as skin flushing. Consult a professional regarding appropriate dosage levels.
AI-generated summary based on research evidence. Not medical advice.
Safety Alerts
Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
This product received a low safety score because it contains 100mg of Niacin, which is nearly three times the recommended upper limit for daily intake.
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
Label Claims — Verification
Product Information
Directions for Use
Directions: As a dietary supplement, take the contents of one pack daily with food.
To ensure a complete nutritional program, take daily with these GNC products: ~ Ultra Probiotic Complex ~ SuperFoods Supreme ~ Ultra Omega Krill Oil ~ Natural Brand Clear Mixing Super Fiber
Warnings & Precautions
Keep out of reach of children.
Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Discontinue use two weeks prior to surgery.
Formulation Notes
No artificial colors, no artificial flavors, no wheat, no gluten, no dairy, yeast free.
GNC Women's Ultra Mega Heart Vitapak Program conveniently combines nutrients that support a woman's overall nutritional needs with focused ingredients to promote heart health and may reduce the risk of heart disease.
Additional Information
CODE 329611 APG
Conforms to USP <2091> for weight. Meets USP <2040> disintegration.
Actual size
Store in a cool, dry place.
GNC Quality Commitment For more than 79 years, GNC has been the leader in the development of superior nutritional supplements. Our products are produced using only fresh, high-quality ingredients and are manufactured under the strictest quality controls. GNC Guarantee If you are not 100% completely satisfied, return the unused portion of the product with your receipt to a GNC store within 30 days. Our trained sales staff will either refund your purchase price or, if you prefer, assist you in finding a replacement product to help you Live Well.
Physician Endorsed
Niacinamide Provides dietary support for a healthy blood lipid profile, and plays an important function in energy metabolism.
In a randomized, double-blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blend in this product for six weeks experienced statistically significant improvements in markers of B vitamin and antioxidant status, as well as improvements in SF-36 Vitality and Mental Health scores compared to those taking a placebo.
This product is endorsed by the GNC Medical Advisory Board. This team of esteemed physicians utilizes their extensive medical knowledge and experience to aid in the creation of GNC premium products, helping you to achieve optimal health through comprehensive nutritional support so you can live your best life!
Product Details
Research Evidence
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.