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Premier Complete B Capsules

product on market Capsule Premier Research Labs Safety: 96/100
96/100

This product looks safe

  • Folate: 665mg is 665.0× the Tolerable Upper Intake Level (1.0mg)
  • 78% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains a complex of B vitamins, including thiamine, riboflavin, and folate, which are supported by strong evidence for their roles in energy metabolism and neurological function. These nutrients act as essential cofactors for numerous enzymatic reactions throughout the body. The ingredient profile is associated with a high safety score.

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

Alerts

Safety Alerts

Folate: 665mg is 665.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

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

Label Data

2 Capsule(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
78%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

50 mg (4167% DV)
41.7× RDA — above typical dose 76 studies (A:0, B:33)
10 mg (769% DV)
7.7× RDA — above typical dose 13 studies (A:0, B:1)
25 mg (156% DV)
1.8× RDA — within safe limits 196 studies (A:5, B:63)
10 mg (588% DV)
7.7× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
665 mcg DFE (166% DV)
Exceeds UL by 665.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
400 mcg (16667% DV)
166.7× RDA — above typical dose 139 studies (A:1, B:44)
300 mcg (1000% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
50 mg (1000% DV)
10.0× RDA — above typical dose 2 studies — no high-quality reviews
Pro-Culture Support
590 mg

Other Ingredients

Cellulose Water
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Approved Health
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Take 2 capsules daily or as directed by a health professional.

Warnings & Precautions

Folate intake should not exceed 250% of the daily value (1,000 mcg).

California Residents Only Prop 65 Warning Reproductive harm www.P65Warnings.ca.gov Tamper seal: Use only if seal is intact.

Consult your health care practitioner if you are pregnant or nursing, taking medications or have a medical condition, before taking this or any other product.

Keep out of reach of children.

Formulation Notes

Complete vitamin B complex with 9 active vitamin B forms including the preferred forms of folate (5-MTHF), B12 (including methyl cobalamin), B2 (R-5-P) and B6 (P-5-P) in a base of fermented media (apple cider vinegar).

Women who consume healthful diets with adequate folate may reduce their risk of having a child with birth defects of the brain or spinal cord.

Complete Vitamin B formula

Premier liver, energy, brain & mood support

OU (Kosher)

Plant-based nutrients 9 active vitamin B forms

Purity verified Potency verified FDA-monitored cGMP facility

Tested for adulterants No radiation sterilization Pathogen tested by microbiology Heavy metal tested

Additional Information

Store in a cool, dry place.

OU (Kosher)

PRL's quality guarantee

Metadata

Product Details

UPC / SKU8 07735 02200 6
DSLD Entry Date2023-10-24
Product TypeBotanical with Nutrients
FormCapsule
BrandPremier Research Labs
DSLD ID297520
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.