B-Complex With B-12 by Nature's Bounty — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
80% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size

Other Combinations Product Type

80% Evidence Coverage

Supplement Facts — Evidence Check

Thiamine

2.5 mg (167% DV)

✅ 2.1× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 2.5mg

Riboflavin

2.5 mg (147% DV)

✅ 1.9× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 2.5mg

Niacin

5 mg (25% DV)

✅ Within RDA (0.4× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 5mg UL 35mg

Vitamin B12

100 mcg (1667% DV)

📊 41.7× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.1mg

Protease

10 mg

Other Ingredients

Vegetable Cellulose Dicalcium Phosphate Contains Less Than 2% of

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (83% of products) Nutrient (47% of products)

Target Groups

Vegetarian Adult (18 - 50 Years)

Product Information

📋 Directions for Use

DIRECTIONS: For adults, take one (1) tablet one to two times daily, preferably with meals.

⚠️ Warnings & Precautions

WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

LABORATORY TESTED GUARANTEED QUALITY

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

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

🧪 Formulation Notes

These tablets provide an excellent source of Thiamin (Vitamin B-1), Riboflavin (Vitamin B-2), Niacin (Vitamin B-3), and Vitamin B-12 to help safeguard a sufficient daily intake.

Suitable for Vegetarians

B-Complex With B-12

Additional Information

The B-Complex is essential for the maintenance of a healthy nervous system. The B vitamins play a role in energy metabolism by converting food into energy in the body.

Nutrition Questions or Comments? Call 1-800-433-2990 Mon. - Sat. 9 AM - 7 PM ET

Prod. No. 190 12G B53330

Energy Support

Store at room temperature.

Product Details

UPC / SKU 0 74312 00190 1

DSLD Entry Date 2014-01-24

Product Type Other Combinations

Form Tablet or Pill

Brand Nature's Bounty

DSLD ID 29143

Data Updated 2026-04-11

Research Evidence

100 Research Sources

56 Avg Quality Score

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 Cochrane

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 Cochrane

View all evidence for Thiamine →