NOW Niacin, Flush Free, 500mg, 90 VCaps Plant Based Protein and Vegan Protein Powder ➕ What's annatto seed extract

➕ What's annatto seed extract doing in there

This can contribute to osteomalacia or osteoporosis

Higher-strength products (50B+) are usually for specific situations like post-antibiotic recovery

a single-species cordyceps isn't that — look at a blended formula instead

NOW Niacin, Flush Free, 500mg, 90 VCaps Plant Based Protein and Vegan Protein Powder ➕ What's annatto seed extractNOW Flush Free Niacin Details A Dietary Supplement Vegetarian Formula Double Strength Niacin (Vitamin B 3) is an essential B vitamin necessary for good health. Many Niacin supplements cause a temporary Niacin flush or tingling red rash on the skin when taken in large doses. This flush free Niacin is formulated to avoid such reactions.