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Vitamin B Dual-Action

product on market Tablet or Pill Nutrilite Safety: 96/100
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

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The B-vitamin complex, including thiamine, riboflavin, and folate, is supported by strong evidence for maintaining cellular energy metabolism and neurological function. These ingredients play critical roles in converting nutrients into energy and supporting red blood cell formation. The profile maintains a high safety score, indicating a low risk of adverse effects.

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

Alerts

Safety Alerts

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

Label

Product Label

Label for Vitamin B Dual-Action
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

3 mg (250% DV)
2.5× RDA — within safe limits 76 studies (A:0, B:33)
3.4 mg (261% DV)
2.6× RDA — within safe limits 13 studies (A:0, B:1)
20 mg (125% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
4 mg (235% DV)
3.1× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
667 mcg DFE (167% DV)
Exceeds UL by 667.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
6 mg (250% DV)
2500.0× RDA — above typical dose 139 studies (A:1, B:44)
125 mg (417% DV)
4166.7× RDA — above typical dose 27 studies (A:0, B:11)
20 mg (400% DV)
4.0× RDA — above typical dose 2 studies — no high-quality reviews
Market median: 200.0mg (107 products)

Other Ingredients

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

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Take 1 tablet daily, preferably with a meal.

1 tablet, 1x a day

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 taking 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 taking this product.

Bottle sealed under cap for your protection.

Exclusively from Amway

Formulation Notes

Nutrilite Vitamin B Dual-Action provides spirulina and is packed with all eight essential B vitamins used by the body to produce energy and help fight fatigue. Natural spirulina is a nutrient rich, blue-green algae grown and harvested on Nutricert certified aqua-farms.

Just one dual-action tablet combines both extended release and instant release technologies.

Gluten free

Crescent M (Halal)

Star-D Kosher Dairy

Made in USA

B vitamins help fight fatigue

Additional Information

Keep bottle tightly closed after opening. Store in a cool, dry place.

NSF Contents Tested & Certified Crescent M (Halal) Star-D Kosher Dairy

Quality you can trust since 1934

Metadata

Product Details

UPC / SKU8 50210 00836 1
DSLD Entry Date2025-04-24
Product TypeBotanical with Nutrients
FormTablet or Pill
BrandNutrilite
DSLD ID328226
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.