🟢 96/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Label Data

0.5 fl. Oz. Serving Size
24 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Calories
28 Calorie(s)
Sugar
7 Gram(s) (14% DV)
2.5 mg (170% DV)
✅ 2.1× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 2.5mg
2.5 mg (150% DV)
✅ 1.9× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 2.5mg
50 mg (250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
0.5 mg (25% DV)
✅ Within RDA (0.4× RDA of 1.3 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 0.5mg UL 100mg
2 mg (20% DV)
✅ Within RDA (0.4× RDA of 5 mg) 📚 1 studies — no high-quality reviews
RDA 5mg This product: 2mg
Iron
18 mg (100% DV)
25 mg
📊 Market median: 500.0mg (193 products) 📚 7 studies — no high-quality reviews
This product: 25mg
✅ Within RDA (0.1× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 50mg UL 3500mg

Other Ingredients

Invert Sugar Water, Purified Alcohol Brewers Yeast Ferric Ammonium Citrate Caramel color Choline Bitartrate Niacinamide Citric Acid DL-Methionine Thiamine Hydrochloride Riboflavin D-Panthenol Flavors Benzoic Acid Sodium Hydroxide Pyridoxine Hydrochloride

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Use dosage cup enclosed. Shake well before using. Adults 12 years and older: 1 tablespoon (1/2 fl. oz.) daily after a meal, or as directed by a doctor.

⚠️ Warnings & Precautions

Contains: Soy

Not intended for children under 12.

Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.

Tamper-evident feature: Do not use if printed neck band is missing or broken.

🧪 Formulation Notes

High Potency B-Vitamins & Iron Liquid Supplement

Additional Information

Do not store above 25 degrees C (77 degrees F). Protect from freezing.

Questions or comments? Call toll-free 1-855-874-0970 (English/Spanish) weekdays

Product Details

DSLD Entry Date 2022-09-22
Product Type Other Combinations
Form Liquid
Brand Geritol
DSLD ID 276588
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
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
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
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
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
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
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
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
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
B Thiamine for Wernicke-Korsakoff Syndrome in people at risk from alcohol abuse
Systematic Review The Cochrane database of systematic reviews 2004
View all evidence for Thiamine →

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