Skip to main content
Carlson B Complex

B Complex

69B
Grade B · capsule · 45 servings · $15.90
Add B Complex to your stack — free
Get one number for what your supplements actually cover, and what they miss.
Add it →

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.

Evidence Qualityweight 40%
91/ 100
Dose Adequacyweight 35%
88/ 100
Form/Bioavailabilityweight 25%
78/ 100
Transparencyweight 0%
60/ 100
Safety/Redundancyweight 0%
100/ 100
Manufacturing Qualityweight 0%
50/ 100

Ingredients per Serving

IngredientAmount
Vitamin C289 systematic reviews · 808 randomised trials200 mg
Thiamin20 systematic reviews · 43 randomised trials50 mg
Riboflavin9 systematic reviews · 14 randomised trials40 mg
Niacin22 systematic reviews · 99 randomised trials50 mg
Vitamin B662 systematic reviews · 142 randomised trials20 mg
Folate249 systematic reviews · 697 randomised trials1360 mcg DFE
Vitamin B12141 systematic reviews · 337 randomised trials50 mcg
Biotin10 systematic reviews · 32 randomised trials100 mcg
Pantothenic Acid3 systematic reviews · 27 randomised trials11 mg

Certifications & Testing

Gluten-Free

Other Ingredients

Hydroxypropylmethylcellulose, Cellulose, Magnesium Stearate

Recommended Use

Directions: Adults: take two capsules daily at mealtime.

Frequently Asked Questions

What is Carlson B Complex's Formulate score?

Carlson B Complex scores 69 out of 100 (grade B) 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 Carlson B Complex worth it?

Carlson B Complex scores 69/100 (grade B). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.

What's in Carlson B Complex?

Each serving contains Vitamin C (200 mg), Thiamin (50 mg), Riboflavin (40 mg), Niacin (50 mg), and more. Serving size: 2 Capsule(s). 45 servings per container.

How do I take b complex?

Directions: Adults: take two capsules daily at mealtime.

Who makes B Complex?

B Complex is made by Carlson. See Formulate's full grade and product lineup for Carlson on its brand page.

Is Carlson B Complex third-party tested?

Carlson lists the following certifications and testing for this product: Gluten-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 stack

2 questions · free · no account needed to start

Also on iPhone — get the free app

📬 Get new guides in your inbox

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.