Vitamin B Dual Action by Nutrilite — Ingredients, Evidence & Safety

🟢 96/100

This product looks safe

Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
78% of ingredients have research evidence

C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Tablet(s) Serving Size

20 Servings

Botanical with Nutrients Product Type

78% Evidence Coverage

Supplement Facts — Evidence Check

Thiamine

3 mg (250% DV)

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

RDA 1.2mg This product: 3mg

Riboflavin

3.4 mg (261% DV)

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

RDA 1.3mg This product: 3.4mg

Niacin

20 mg (125% DV)

✅ 1.4× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 20mg UL 35mg

Vitamin B6

4 mg (235% DV)

📊 3.1× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 4mg UL 100mg

Folate

667 mcg DFE (167% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 667.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 667mg UL 1.0mg

Vitamin B12

6 mcg (250% DV)

✅ 2.5× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.006mg

Biotin

125 mcg (417% DV)

📊 4.2× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 0.125mg

Pantothenic Acid

20 mg (400% DV)

📊 4.0× RDA — above typical dose 📚 1 studies — no high-quality reviews

RDA 5mg This product: 20mg

Spirulina, Powder

75 mg

📊 Market median: 200.0mg (107 products)

Median 200.0mg This product: 75mg

Other Ingredients

Microcrystalline Cellulose Yeast, Dried Lactose Hydroxypropyl Methylcellulose Croscarmellose Sodium Magnesium Stearate Silicon Dioxide Glycerol Carnauba Wax

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

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

Target Groups

Children 4 or More Years of Age Adult (18 - 50 Years) Kosher Halal

Product Information

📋 Directions for Use

1-2x a day

Suggested use: Take contents of one packet, preferably with a meal. Take up to twice per day, as needed.

⚠️ Warnings & Precautions

Children under 12 years of age, pregnant women or nursing mothers, or anyone with a medical condition should consult with a physician before using this product. Keep out of reach of children.

Children under 12 years of age, pregnant women or nursing mothers, or anyone with a medical condition should consult with a physician before using this product.

🧪 Formulation Notes

Each packet contains the following: Vitamin B Dual-Action Delivers up to eight hours of energy support

Stay sharp and fight fatigue

Crescent M (Halal)

Star-K (Kosher)

Additional Information

Try other nutrilite packs: Immunity Pack Women's Pack Men's Pack

Quality You Can Trust Since 1934

NUTRILITE is the only global vitamin and dietary supplement brand to grow, harvest, and process plants on their own certified organic farms. Source: GlobalData,,http://gdretail.net/amway-claims/ Seed > Grown on Organic Farms > Harvest > Nutrilite Supplement = To you

Store in a cool, dry place.

For Questions: 1-800-253-6500

Crescent M (Halal) Star-K (Kosher)

Exclusively from Amway

Product Details

UPC / SKU 123842

DSLD Entry Date 2025-03-25

Product Type Botanical with Nutrients

Form Tablet or Pill

Brand Nutrilite

Bundle Ultra Focus + Energy Pack

DSLD ID 328223

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 →