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B-Complex

product on market Capsule Metabolic Maintenance Safety: 94/100
94/100

This product looks safe

  • Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)
  • Folate: 1334mg is 1334.0× the Tolerable Upper Intake Level (1.0mg)
  • 75% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains B vitamins and Vitamin C, which support energy metabolism and cellular function. There is strong evidence for the role of these nutrients in maintaining metabolic health. The product maintains a high safety profile with minimal reported concerns.

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

Alerts

Safety Alerts

Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)

Folate: 1334mg is 1334.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for B-Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
90
Servings
Other Combinations
Product Type
75%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
15 mg (17% DV)
25 mg (2083% DV)
20.8× RDA — above typical dose 76 studies (A:0, B:33)
25 mg (1923% DV)
19.2× RDA — above typical dose 13 studies (A:0, B:1)
150 mg NE (938% DV)
Exceeds UL by 4.3× (UL: 35 mg) 196 studies (A:5, B:63)
55 mg (3235% DV)
42.3× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
1334 mcg DFE (334% DV)
Exceeds UL by 1334.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
1000 mcg (41667% DV)
416.7× RDA — above typical dose 139 studies (A:1, B:44)
400 mcg (1333% DV)
13.3× RDA — above typical dose 27 studies (A:0, B:11)
150 mg (3000% DV)
30.0× RDA — above typical dose 2 studies — no high-quality reviews
50 mg (9% DV)
Within RDA (0.1× RDA) 38 studies (A:1, B:7)
50 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
50 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews

Other Ingredients

Cellulose
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: One (1) capsule daily with a meal, or as directed by a healthcare professional.

Warnings & Precautions

Keep tightly closed in a cool, dry place, out of the reach of children.

Formulation Notes

Egg free Gluten free Free of nuts Dairy free

Manufactured in a GMP Compliant Facility

Cellular energy support

Additional Information

Keep tightly closed in a cool, dry place, out of the reach of children. Moisture sensitive formula. Best consumed within 120 days after opening.

Metadata

Product Details

UPC / SKU8 38287 00500 1
DSLD Entry Date2025-02-23
Product TypeOther Combinations
FormCapsule
BrandMetabolic Maintenance
DSLD ID321269
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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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.