Klean Athlete B-Complex - NSF Certified for Sport, 60 Vegetarian Capsules supplement bottle
Klean Athlete

B-Complex - NSF Certified for Sport, 60 Vegetarian Capsules

What We Researched
11 active ingredients analyzed · 3 inactive ingredients decoded · 3 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
90
Product Score Excellent
87
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Thiamin (as thianmine HCI) (B1) 25 mg 2,083%
Riboflavin (as vitamin B2 and riboflavin-5-phosphate (activated B2)) 15 mg 1,154%
Niacin (as niacinamide) 50 mg 313%
Vitamin B6 (as pyridoxine HCI and pyridoxal-5-phosphate (activated B6)) 50 mg 2,941%
Folate (as Metafolin®, L-5-MTHF) (800 mcg L-5-MTHF) 1333 mcg DFE 333%
Vitamin B12 (as adenosylcobalamnin and hydroxycobalamin) 800 mcg 33,333%
Biotin 400 mcg 1,333%
Pantothenic Acid (as calcium pantothenate) (B5) 100 mg 2,000%
Choline (as choline bitartrate) 40 mg 7%
Inositol 25 mg *
BenfoPure® Benfotiamine 3 mg *
Bioavailability Very Good

Absorption Rating

  • Thiamin (as thianmine HCI) (B1) Good
  • Riboflavin (as vitamin B2 and riboflavin-5-phosphate (activated B2)) Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as pyridoxine HCI and pyridoxal-5-phosphate (activated B6)) Good
  • Folate (as Metafolin®, L-5-MTHF) (800 mcg L-5-MTHF) Good
  • Vitamin B12 (as adenosylcobalamnin and hydroxycobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as calcium pantothenate) (B5) Good
  • Choline (as choline bitartrate) Poor
  • Inositol Good
  • BenfoPure® Benfotiamine Good
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl methylcellulose (vegetarian capsule)
  • Microcrystalline Cellulose
  • Ascorbyl Palmitate
Efficacy Very Good

Dosage Analysis

  • Thiamin (as thianmine HCI) (B1) 25 mg Effective
  • Riboflavin (as vitamin B2 and riboflavin-5-phosphate (activated B2)) 15 mg Effective
  • Niacin (as niacinamide) 50 mg High
  • Vitamin B6 (as pyridoxine HCI and pyridoxal-5-phosphate (activated B6)) 50 mg Effective
  • Folate (as Metafolin®, L-5-MTHF) (800 mcg L-5-MTHF) 1333 mcg DFE High
  • Vitamin B12 (as adenosylcobalamnin and hydroxycobalamin) 800 mcg Effective
  • Biotin 400 mcg Effective
  • Pantothenic Acid (as calcium pantothenate) (B5) 100 mg Effective
  • Choline (as choline bitartrate) 40 mg Under-dosed
  • Inositol 25 mg Under-dosed
  • BenfoPure® Benfotiamine 3 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Thiamin (as thianmine HCI) (B1) 25 mg 2,083%
Riboflavin (as vitamin B2 and riboflavin-5-phosphate (activated B2)) 15 mg 1,154%
Niacin (as niacinamide) 50 mg 313%
Vitamin B6 (as pyridoxine HCI and pyridoxal-5-phosphate (activated B6)) 50 mg 2,941%
Folate (as Metafolin®, L-5-MTHF) (800 mcg L-5-MTHF) 1333 mcg DFE 333%
Vitamin B12 (as adenosylcobalamnin and hydroxycobalamin) 800 mcg 33,333%
Biotin 400 mcg 1,333%
Pantothenic Acid (as calcium pantothenate) (B5) 100 mg 2,000%
Choline (as choline bitartrate) 40 mg 7%
Inositol 25 mg *
BenfoPure® Benfotiamine 3 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl methylcellulose (vegetarian capsule) Unknown
Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$26$25$24$23$22 Mar 12 $24.00
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Klean Athlete

Founded 2012 · Pittsburgh, Pennsylvania, United States · 15 products · kleanathlete.com/

Certifications

3 certifications
Nsf Certified For Sport Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is Klean Athlete B-Complex - NSF Certified for Sport, 60 Vegetarian Capsules a good supplement?

Klean Athlete B-Complex - NSF Certified for Sport, 60 Vegetarian Capsules received a product quality score of 90/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 11 active ingredients with 60 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Klean Athlete, holds a brand trust score of 87/100 with 3 verified certifications including Nsf Certified For Sport, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in Klean Athlete B-Complex - NSF Certified for Sport, 60 Vegetarian Capsules?

Klean Athlete B-Complex - NSF Certified for Sport, 60 Vegetarian Capsules contains 11 active ingredients: Thiamin (as thianmine HCI) (B1) (25 mg), Riboflavin (as vitamin B2 and riboflavin-5-phosphate (activated B2)) (15 mg), Niacin (as niacinamide) (50 mg), Vitamin B6 (as pyridoxine HCI and pyridoxal-5-phosphate (activated B6)) (50 mg), Folate (as Metafolin®, L-5-MTHF) (800 mcg L-5-MTHF) (1333 mcg DFE), Vitamin B12 (as adenosylcobalamnin and hydroxycobalamin) (800 mcg), and 5 more. Notable high-dose ingredients include Thiamin at 2,083% DV, Riboflavin at 1,154% DV, Niacin at 313% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Klean Athlete B-Complex - NSF Certified for Sport, 60 Vegetarian Capsules safe to take?

Klean Athlete B-Complex - NSF Certified for Sport, 60 Vegetarian Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Klean Athlete a trustworthy supplement brand?

Klean Athlete receives a brand trust score of 87/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 15 products in their lineup. They hold 3 verified certifications including Nsf Certified For Sport, Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.