$10.97 $0.13 per serving
Product analysis
Centrum Silver Adults 50+ provides a broad range of nutrients that support normal energy use and blood formation when intake is low. Most nutrient forms are not identified, making detailed quality comparisons difficult.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
Most nutrient forms are not identified, limiting confidence in detailed quality comparisons. The available information does not establish how well the complete mix is absorbed.
Ingredient Transparency64
All listed serving amounts are disclosed. Nearly all ingredient forms are unidentified, so the quantities are clearer than the exact types supplied.
Value For Money47
Several mineral comparisons indicate a competitively priced serving. Most other nutrients lack enough information for a dependable value comparison.
Customer Satisfaction80
Customer feedback is very positive on average. Hundreds of ratings provide a useful satisfaction picture, without proving an improvement in energy.
Product Focus35
Many nutrients contribute to the stated energy-related purpose. That broad ingredient list supports general nutrition, while any benefit for tiredness depends on individual nutritional need.
- Format
Tablet - Container
- 80 Tablet(s)
- Per serving
- $0.13
- Customer rating
- 4.8 · 634 ratings
Goals
Impact
Moderate effect
Iodine · 150 mcgVitamin D · 25 mcgVitamin B5 · 10 mgMagnesium · 50 mgRiboflavin · 1.7 mgThiamin · 1.5 mgVitamin B12 · 25 mcgPotassium · 80 mg
Vitamin B5 Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin A (Beta-Carotene) | 750 mcg | |
Vitamin C | 60 mg | |
Vitamin D3 | 25 mcg | |
Vitamin E | 22.5 mg | |
Vitamin K | 30 mcg | |
Thiamine | 1.5 mg | |
Riboflavin | 1.7 mg | |
Niacin | 20 mg | |
Vitamin B6 | 3 mg | |
Folate | 667 mcg DFE | |
Vitamin B12 | 25 mcg | |
Biotin | 30 mcg | |
Pantothenic Acid | 10 mg | |
Calcium | 220 mg | |
Phosphorus | 20 mg | |
Iodine | 150 mcg | |
Magnesium | 50 mg | |
Zinc | 11 mg | |
Selenium | 19 mcg | |
Copper | 0.5 mg | |
Manganese | 2.3 mg | |
Chromium | 50 mcg | |
Molybdenum | 45 mcg | |
Chloride | 72 mg | |
Potassium | 80 mg | |
Lutein | 250 mcg | |
Lycopene | 300 mcg |
Iodine · 150 mcg OverallScore88
A serving provides 150 mcg of iodine, an amount suited to daily thyroid support, at a low cost per serving. The iodine form is unspecified; potassium iodide appears in Other Ingredients, but its contribution to the iodine total is unclear.
How this ingredient is rated
Active Ingredient Quality & Bioavailability69
The iodine form is unspecified; potassium iodide appears in Other Ingredients, but its contribution to the iodine total is unclear. No marine iodine source is indicated, so seaweed-specific contamination concerns do not apply.
Iodine Form & Bioavailability
The iodine form is unspecified; potassium iodide appears in Other Ingredients, but its contribution to the iodine total is unclear.
Marine Source Purity & Sourcing
No marine iodine source is indicated, so seaweed-specific contamination concerns do not apply.
Dose, Safety & Label Transparency100
The label states 150 mcg of iodine per serving. That amount fits daily thyroid support.
Dosage Efficacy for Daily Support
150 mcg is within the range for daily thyroid support.
Dosage Safety & Upper Limits
The 150 mcg serving is below the adult upper intake level of 1,100 mcg.
Elemental Iodine Transparency
The label states the iodine amount as 150 mcg per serving.
Value100
The cost per serving is low.
Price Per Effective Serving
The cost per serving is low.
Calcium · 220 mg OverallScore52
220 mg of calcium per serving provides a moderate amount. The cost per serving is low. Calcium Carbonate, Dibasic Calcium Phosphate, Calcium Pantothenate appear in Other Ingredients, but the source of the calcium total is unclear. An artificial additive is listed.
How this ingredient is rated
Active Ingredient Quality & Bioavailability37
Calcium Carbonate, Dibasic Calcium Phosphate, Calcium Pantothenate appear in Other Ingredients, but the source of the calcium total is unclear. The calcium amount is stated.
Calcium Form & Absorption Potential
Calcium Carbonate, Dibasic Calcium Phosphate, Calcium Pantothenate appear in Other Ingredients, but the source of the calcium total is unclear.
Elemental Calcium Transparency
The label states 220 mg of calcium per serving.
Dose, Safety & Label Transparency42
220 mg of calcium per serving provides a moderate amount. An artificial additive is listed.
Absorption-Optimized Serving Dose
220 mg of calcium per serving provides a moderate amount.
Formulation Purity & Additives
An artificial additive is listed.
Value100
The cost per serving is low.
Price Per Serving Efficiency
The cost per serving is low.
Chloride · 72 mg OverallScore77
Each serving provides 72 mg of chloride, a moderate amount, at a low cost per serving. Potassium chloride appears under Other Ingredients, but the chloride entry does not assign it as the source.
How this ingredient is rated
Active Ingredient Quality & Bioavailability80
Potassium chloride appears under Other Ingredients, but the chloride entry does not assign it as the source.
Chloride source quality
Potassium chloride appears under Other Ingredients, but the chloride entry does not assign it as the source.
Dose, Safety & Label Transparency63
A serving provides 72 mg of chloride, a moderate amount. The chloride entry states the amount but does not identify a source.
Chloride amount per serving
A serving provides 72 mg of chloride, a moderate amount.
Amount and source disclosure
The chloride entry states the amount but does not identify a source.
Value100
The cost per serving is low.
Price per serving
The cost per serving is low.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Association of radioactive iodine treatment with survivorship symptoms and primary care utilisation in women of reproductive age with thyroid cancer: a retrospective cohort study.
- Energy level and fatigue after surgery for thyroid cancer: A population-based study of patient-reported outcomes.
- Health-Related Quality of Life in Differentiated Thyroid Cancer Survivors: A Cross-Sectional Study From Turkey.
- Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
- Total magnesium intake and risk of frailty in older women.
- Red blood cell magnesium and chronic fatigue syndrome.
- Exercise, magnesium and immune function.
- [Efficacy of potassium N-acetylaminosuccinate (Cogitum) in the treatment of asthenic syndrome: results of double-blind placebo-controlled trial].
- Human resting energy expenditure in relation to dietary potassium.
- Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers.
- Vitamin B status in patients with chronic fatigue syndrome.
- B-vitamins, related vitamers, and metabolites in patients with quiescent inflammatory bowel disease and chronic fatigue treated with high dose oral thiamine.
- Metabolic features of chronic fatigue syndrome.
- Effectiveness of Riboflavin in Inherited Metabolic Diseases: A Systematic Review
- Influence of thiamin supplementation on the health and general well-being of an elderly Irish population with marginal thiamin deficiency.
- Randomised clinical trial: high-dose oral thiamine versus placebo for chronic fatigue in patients with quiescent inflammatory bowel disease.
- Dietary reference values for thiamin.
- Effects of thiamine supplementation on exercise-induced fatigue.
- Long-term maintenance treatment with 300 mg thiamine for fatigue in patients with inflammatory bowel disease: results from an open-label extension of the TARIF study.
- A new perspective on vitamin B12 deficiency in rheumatology: a case-based review.