Doctor's Best FULLY ACTIVE B COMPLEX with Quatrefolic® 60tabs

Doctor's Best FULLY ACTIVE B COMPLEX with Quatrefolic® 60tabs

Regular price $34.90

Doctor's Best FULLY ACTIVE B COMPLEX with Quatrefolic® 60tabs

The best boost.

Our Fully Active B Complex with Quatrefolic® is a full-spectrum B vitamin supplement that  provides much-needed energy.* It features active forms of vitamins B1‚ B2‚ B6‚ B12 alongside the Quatrefolic® brand of folate. Carefully designed for optimal absorption and utilization, this formulation provides B vitamins in their safest, best tolerated, and most biochemically active forms.* Why supplement? B vitamins are needed to make energy from foods, and to make and maintain DNA, genes, cells, tissues, organs, and enzyme functions.These B vitamins are fundamental to life, and we can’t make them ourselves. 

Our trusted partners are key in bringing you the best products. Quatrefolic® is an innovative dietary ingredient that’s highly bioavailable, providing the most superior formulation.* Quatrefolic® has greater stability, higher water solubility and multiple ingredients formulation flexibility, making it the ideal ingredient to use in our formulas.


Each veggie capsule contains 40 mg vitamin C, 60 mg vitamin B1, 75 mg vitamin B2, 50 mg vitamin B3, 50 mg vitamin B6, 400 mcg DFE Folate (from Quatrefolic®), 1000 mcg vitamin B12, 600 mcg Biotin and 100 mg Pantothenic Acid. Take one capsule daily with food.

How many milligrams of each of the b vitamins is in Doctor's Best Fully Active B Complex?

Vitamin B2 (as riboflavin) - 65mg

Vitamin B2 (as riboflavin-5-Phosphate) - 10mg

Vitamin B3 (as niacin) - 20mg

Vitamin B3 (as niacinamide) - 30mg

Vitamin B6 (as pyridoxine hydrochloride) - 40mg

Vitamin B6 (as pyridoxal-5-phosphate) - 10mg

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