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Active B Complete

product on market Capsule Onnit Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 90% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains a comprehensive blend of B vitamins that support cellular energy production and neurological function. There is strong clinical evidence for the role of these vitamins in metabolic processes and red blood cell formation. The ingredient profile is associated with a high safety rating.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Active B Complete
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
90%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1.5 mg (100% DV)
1.2× RDA — within safe limits 76 studies (A:0, B:33)
1.7 mg (100% DV)
1.3× RDA — within safe limits 13 studies (A:0, B:1)
20 mg (100% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
2 mg (100% DV)
1.5× RDA — within safe limits 114 studies (A:3, B:35)
6 mcg (100% DV)
2.5× RDA — within safe limits 139 studies (A:1, B:44)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
300 mcg (100% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
10 mg (100% DV)
2.0× RDA — within safe limits 2 studies — no high-quality reviews
150 mg
125.0× RDA — above typical dose 76 studies (A:0, B:33)
8 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)

Other Ingredients

Microcrystalline Cellulose Vegetarian Capsule Nu-Mag Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Adults, as a dietary supplement, take one capsule daily, preferably with a light meal.

Warnings & Precautions

Consult a medical doctor before taking this or any other nutritional supplement if you are pregnant, nursing, have or suspect a medical condition or are taking any medications.

Keep out of reach of children

Formulation Notes

B vitamins are involved in thousands of processes within the body. They support everything from energy levels to managing daily stress. Using the very best of the active, methylated forms, you are giving your body what it needs to support optimal absorption and utilize these essential vitamins.

Methylated B Vitamins with Benfotiamine & 5-MTHF Folic Acid

Gluten free Soy free Caffeine free

Additional Information

Assists energy production Boosts cognitive performance Aids neural communication

Store in a cool, dry place.

Gluten free Soy free Caffeine free

Metadata

Product Details

UPC / SKU8 19444 01531 6
DSLD Entry Date2019-10-23
Product TypeOther Combinations
FormCapsule
BrandOnnit
DSLD ID208565
Data Updated2026-04-11
Research

Research Evidence

100
Research Sources
56
Avg Quality
48
Systematic Review
30
Meta Analysis
13
Rct
6
Clinical Trial
1
Cochrane Review
1
Regulatory Source
B Thiamine for prevention and treatment of Wernicke-Korsakoff Syndrome in people who abuse alcohol
Systematic Review The Cochrane database of systematic reviews 2013 PubMed DOI
B Efficacy of B-vitamins and vitamin D therapy in improving depressive and anxiety disorders: a systematic review of randomized controlled trials
Systematic Review Nutritional neuroscience 2023 PubMed DOI
B Effect of thiamine supplementation on glycaemic outcomes in adults with type 2 diabetes: a systematic review and meta-analysis
Meta Analysis BMJ open 2022 PubMed DOI
B Effect of intravenous thiamine administration on critically ill patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2024 PubMed DOI
B Effect of adjunctive vitamin C, glucocorticoids, and vitamin B1 on longer-term mortality in adults with sepsis or septic shock: a systematic review and a component network meta-analysis
Systematic Review Intensive care medicine 2022 PubMed DOI
B Effect of Combined Diclofenac and B Vitamins (Thiamine, Pyridoxine, and Cyanocobalamin) for Low Back Pain Management: Systematic Review and Meta-analysis
Meta Analysis Pain medicine (Malden, Mass.) 2020 PubMed DOI
B Thiamine, Ascorbic Acid, and Hydrocortisone As a Metabolic Resuscitation Cocktail in Sepsis: A Meta-Analysis of Randomized Controlled Trials With Trial Sequential Analysis
Meta Analysis Critical care medicine 2021 PubMed DOI
B The effects of thiamine supplementation on patients with heart failure: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Complementary therapies in medicine 2022 PubMed DOI
B Hydrocortisone Combined with Vitamin C and Thiamine in the Treatment of Sepsis/Septic Shock: A Systematic Review with Meta-Analysis and Trial Sequential Analysis
Meta Analysis Clinical and investigative medicine. Medecine clinique et experimentale 2023 PubMed DOI
B Thiamine for Wernicke-Korsakoff Syndrome in people at risk from alcohol abuse
Systematic Review The Cochrane database of systematic reviews 2004 PubMed
View all evidence for Thiamine →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.