Vitamins and minerals
Active B12 1000 mcg
Two coenzyme forms of vitamin B12
60 plant-based capsules
Doctor Life
Optimized SinglesB vitamins + choline, citicoline, and myo-inositol
Four categories. Find the support that fits your needs.
Overview
A comprehensive B vitamin formula for adults, in one supplement. Active B Complex provides B1, B2, B3, B5, B6, folate, B12, and biotin, with added choline, citicoline, and myo-inositol.
At the heart of the formula / Active B Complex
Active B Complex
Active B Complex
Active B Complex
Ingredients / Doctor Life
Each ingredient, its form and quantity — in one place.
| Ingredient | 1 capsule |
|---|---|
| Vitamin B1 | 25 mg (2272%*) |
| Total vitamin B2 | 25 mg (1786%*) |
| including riboflavin | 12 mg |
| including riboflavin 5′-phosphate | 13 mg |
| Total niacin | 125 mg (881%*) |
| including nicotinic acid | 16 mg |
| Pantothenic acid (B5) | 125 mg (2083%*) |
| Total vitamin B6 | 18 mg (1285%*) |
| including pyridoxine HCl | 10 mg |
| including P-5-P | 8 mg |
| Folate | 523 µg (200%*) |
| including folic acid | 400 µg |
| Vitamin B12 | 100 µg (4000%*) |
| Biotin | 300 µg (600%*) |
| Choline | 50 mg |
| Myo-inositol | 50 mg |
| Citicoline | 50 mg |
*NRV: Nutrient Reference Value
How to use
Science & sources
These publications concern the studied ingredients or formulas. They do not all evaluate the finished Doctor Life product, and research results do not guarantee individual outcomes.
David O. Kennedy, Philippa A. Jackson, Crystal F. Haskell et al.
Psychopharmacology (2010), 211(1), 55-68. DOI: 10.1007/s00213-010-1870-3; PMID: 20471567.
In a 33-day placebo-controlled study in healthy men, a vitamin and mineral complex containing high doses of B vitamins was associated with improvements in selected measures of stress, vigor, and task performance. The formula studied was different from Active B.
Read publication ↗Lauren M. Young, Andrew Pipingas, David J. White et al.
Nutrients (2019), 11(9), 2232. DOI: 10.3390/nu11092232; PMID: 31527485.
A review of 18 randomized studies suggested that B vitamin supplementation may benefit perceived stress, particularly in people under greater strain. Findings for depression and anxiety were less conclusive.
Read publication ↗R. Clarke, D. Bennett, S. Parish et al.
American Journal of Clinical Nutrition (2014), 100(2), 657-666. DOI: 10.3945/ajcn.113.076349; PMID: 24965307.
This large meta-analysis found no significant effect of lowering homocysteine with B vitamins on overall cognitive performance. That is an important limitation: high doses of B vitamins do not guarantee improvements in memory or concentration.
Read publication ↗Doctor Life formulas
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