B-Complex
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Thiamine42 systematic reviews · 101 randomised trials | 100 mg |
| Riboflavin9 systematic reviews · 14 randomised trials | 25 mg |
| Vitamin B662 systematic reviews · 142 randomised trials | 25 mg |
| Folate249 systematic reviews · 697 randomised trials | 680 mcg DFE |
| Vitamin B12141 systematic reviews · 337 randomised trials | 500 mcg |
| Biotin10 systematic reviews · 32 randomised trials | 400 mcg |
| Pantothenic Acid3 systematic reviews · 27 randomised trials | 200 mg |
| Riboflavin 5-Phosphate | 10 mg |
| Pyridoxal 5-Phosphate | 15 mg |
| Niacinamide | 75 mg |
Certifications & Testing
Other Ingredients
Vegetable Cellulose Capsule, Magnesium Silicate, Ascorbyl Palmitate, Silica, Leucine
Recommended Use
Recommendations 1 capsule per day, or as directed by your healthcare professional.
Warnings
Keep out of reach of children Use only if safety seal is intact Warning If pregnant, consult your physician before taking.
Frequently Asked Questions
What is Vital Nutrients B-Complex's Formulate score?
Vital Nutrients B-Complex scores 83 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Vital Nutrients B-Complex worth it?
Vital Nutrients B-Complex scores 83/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Vital Nutrients B-Complex?
Each serving contains Thiamine (100 mg), Riboflavin (25 mg), Vitamin B6 (25 mg), Folate (680 mcg DFE), and more. Serving size: 1 Vegetarian Capsule(s). 120 servings per container.
How do I take b-complex?
Recommendations 1 capsule per day, or as directed by your healthcare professional.
Who makes B-Complex?
B-Complex is made by Vital Nutrients. See Formulate's full grade and product lineup for Vital Nutrients on its brand page.
Is Vital Nutrients B-Complex third-party tested?
Vital Nutrients lists the following certifications and testing for this product: Gluten-Free, Dairy-Free, Sugar-Free.
Related Supplements
Track b-complex in your stack
Build a personalized supplement stack free in your browser — no install. Flag dose overlaps and interactions, and keep every product scored against the latest evidence.
Is B-Complex right for your goals?
Two questions, then every ingredient graded against what you're actually trying to do — plus what it costs per effective dose.
Build my stack2 questions · free · no account needed to start
Also on iPhone — get the free app
Evidence-based supplement guides, no spam
We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.
Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.