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B-Complex 100

product on market Tablet or Pill Viva Vitamins Safety: 97/100
97/100

This product looks safe

  • Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • 75% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile contains B vitamins that support energy metabolism and neurological function, backed by strong research evidence. The combination of B1, B2, Niacin, B6, and Folic Acid is well-documented for maintaining cellular health. With a high safety score, these ingredients are generally well-tolerated when taken as directed.

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

Alerts

Safety Alerts

Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)

Label

Product Label

Label for B-Complex 100
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

100 mg (8332% DV)
83.3× RDA — above typical dose 76 studies (A:0, B:33)
100 mg (7692% DV)
76.9× RDA — above typical dose 13 studies (A:0, B:1)
100 mg (624% DV)
Exceeds UL by 2.9× (UL: 35 mg) 196 studies (A:5, B:63)
100 mg (5882% DV)
76.9× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
800 mcg (200% DV)
2.0× RDA — within safe limits 226 studies (A:10, B:105)
100 mcg (4166% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
100 mcg (332% DV)
3.3× RDA — above typical dose 27 studies (A:0, B:11)
100 mg (2000% DV)
20.0× RDA — above typical dose 2 studies — no high-quality reviews
50 mg (8% 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
VIVA Proprietary Blend
27 mg

Other Ingredients

Microcrystalline Cellulose Croscarmellose clear aqueous Coating
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take one or more tablets daily, or as directed by your health practitioner.

Warnings & Precautions

Keep out of the reach of children.

Do not use if safety seal under cap is broken or missing.

Formulation Notes

Free of: Sugar, salt, starch, yeast, corn, soy, wheat, lactose, gluten, milk, egg, fish products, artificial coloring, flavoring, or preservatives.

Viva B-Complex 50 offers a well-balanced blend of key B vitamins designed specifically to provide the body with the potencies essential for sound health. B vitamins support a healthy central nervous system, which can improve stress management, energy, and mental acuity. Now you can get the entire B-Complex family in one convenient formula.

Made in the USA

Non-GMO

Manufactured in an NSF - GMP Certified facility

Sustained release B complex

Vital to energy metabolism

We always use the highest quality ingredients Premium formulas

Additional Information

In God we trust

Metadata

Product Details

UPC / SKU8 12720 01306 8
DSLD Entry Date2020-10-23
Product TypeOther Combinations
FormTablet or Pill
BrandViva Vitamins
DSLD ID237071
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.