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Doctor's Best Fully Active B Complex with Quatrefolic, 60 Veggie Caps

Doctor's Best Fully Active B Complex with Quatrefolic, 60 Veggie Caps

Regular price $19.99 USD
Regular price $19.99 USD Sale price $19.99 USD
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Helps support energy production*

Helps support body metabolism and new cells*

Helps support DNA, the body’s genetic blueprint*

Full spectrum B vitamins help support health and well-being*

30 Count
60 Count
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Product Overview


  • Science-Based Nutrition™
  • Helps Support Energy Production and Cell Metabolism
  • Dietary Supplement
  • Non-GMO / Vegan / Gluten Free / Soy Free

Doctor's Best Fully Active B Complex contains all eight important B Vitamins, a full spectrum designed for optimal absorption and utilization to support overall health and well-being. Water-soluble B vitamins play important roles in cell metabolism, supporting DNA, organs, genes, cells, tissues, skin health, immune system, enzyme functions and energy production. 

Quatrefolic® is the glucosamine salt of (6S)-5-methyl- tetrahydrofolate, the most bioavailable form of folate, that provides greater stability and water solubility. Folate is an essential vitamin to support DNA, proper cell division, heart, mental and emotional well-being. 

  • Helps support energy production
  • Helps support body metabolism and new cells
  • Helps support DNA, the body's genetic blueprint
  • Full spectrum B vitamins help support health and well-being

Expiration Date

02/01/2026 00:00:00




Hypromellose (vegetarian capsule), microcrystalline cellulose, magnesium stearate (vegetable source), silicon dioxide.

Suggested Use

Adult use: Take 1 capsule daily with food, or as recommended by a nutritionally-informed physician.


Do not exceed recommended dose. Consult a physician if hypersensitive to thiamin (vitamin B1), niacin, and vitamin B12. Discontinue use and consult a physician if adverse reaction occurs. Keep out of reach of children.

Store in a cool dry place.

Supplement Facts
Serving Size: 1 Veggie Capsule
Serving Per Container: 60

Amount Per Serving%Daily Value
Vitamin C (as ascorbic acid)40 mg44%
Thiamin (as thiamin HCl)60 mg5000%
Riboflavin (as riboflavin and riboflavin-5-phosphate)75 mg5769%
Niacin (as niacinamide and niacin)50 mg313%
Vitamin B6 (as pyridoxine HCl and pyridoxal-5-phosphate)50 mg2941%
Folate (as (6S)-5-methyltetrahydrofolic acid, glucosamine salt) (Quatrefolic®)400 mcg DFE100%
Vitamin B12 (as methylcobalamin)1000 mcg41667%
Biotin600 mcg2000%
Pantothenic acid (from d-calcium pantothenate)100 mg2000%