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Natural Vitamin B1+

product on market Capsule Dr. Berg Safety: 96/100
96/100

This product looks safe

  • Folate: 100mg is 100.0× the Tolerable Upper Intake Level (1.0mg)
  • 90% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This product contains a blend of B vitamins, including thiamine, riboflavin, and niacin, which are essential for energy metabolism and neurological function. There is strong research evidence supporting the role of these vitamins in cellular health. The formulation maintains a high safety profile for general use.

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

Alerts

Safety Alerts

Folate: 100mg is 100.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Natural Vitamin B1+
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
60
Servings
Botanical with Nutrients
Product Type
90%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

0.3 mg (25% DV)
Within RDA (0.2× RDA) 76 studies (A:0, B:33)
0.3 mg (23% DV)
Within RDA (0.2× RDA) 13 studies (A:0, B:1)
4 mg (25% DV)
Within RDA (0.3× RDA) 196 studies (A:5, B:63)
0.4 mg (24% DV)
Within RDA (0.3× RDA) 114 studies (A:3, B:35)
100 mcg DFE (25% DV)
Exceeds UL by 100.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
0.6 mcg (25% DV)
Within RDA (0.2× RDA) 139 studies (A:1, B:44)
7.5 mcg (25% DV)
Within RDA (0.2× RDA) 27 studies (A:0, B:11)
1 mg (20% DV)
Within RDA (0.2× RDA) 2 studies — no high-quality reviews
100 mg (24% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
50 mg
41.7× RDA — above typical dose 76 studies (A:0, B:33)

Other Ingredients

Magnesium Citrate Vegetable Capsule Broccoli Carrot Spinach Sunflower Chlorella Allithiamine Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, take 1 capsule per day.

Warnings & Precautions

Caution: Do not exceed recommended dose. Do not use if safety seal is damaged or missing.

Pregnant or nursing mothers, children under the age of 18, and individuals with known medical conditions should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under the age of 18, and individuals with known medical conditions should consult a physician before using this or any dietary supplement.

Formulation Notes

Natural Vitamin B1 + Allithiamine With B complex blend

Additional Information

Store in a cool, dry place, with a lid.

To reorder: shop.drberg.com

Metadata

Product Details

DSLD Entry Date2025-08-22
Product TypeBotanical with Nutrients
FormCapsule
BrandDr. Berg
DSLD ID337168
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.