$29.80 $0.09 per serving
Product analysis
Centrum Silver Adults 50+ may help fill dietary gaps that affect normal energy use, blood formation and everyday nutrient needs. Most nutrient forms are unspecified in the main declarations, making exact ingredient comparisons harder.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
Most nutrient forms are missing from their main declarations, limiting a direct quality comparison. Additional source details identify some forms, but unresolved mixtures still leave much of the formula uncertain.
Ingredient Transparency64
All nutrient amounts are stated, which helps compare servings. Almost all forms are omitted from the main declarations, so the main nutrient list gives little detail about the exact preparations.
Value For Money50
The low serving cost compares favorably for several minerals and vitamin A. Many other comparisons are unresolved, and the synthetic vitamin E does not offer a compelling form-based value case.
Customer Satisfaction75
Customer feedback is strongly positive across a small number of ratings. The limited review base leaves uncertainty about how representative the feedback is.
Product Focus27
The clearest purpose is filling dietary gaps that affect normal everyday functions. The large nutrient mix does not establish extra energy or enhanced immunity when intake is already adequate.
- Format
Tablet - Container
- 325 Tablet(s)
- Per serving
- $0.09
- Customer rating
- 4.9 · 74 ratings
Goals
Impact
High effect
Folate · 400 mcgVitamin B12 · 25 mcgVitamin D · 1000 IUMagnesium · 50 mgVitamin K · 30 mcgSelenium · 19 mcgZinc · 11 mgVitamin C · 60 mg
B vitamins and folate provide the main support for normal energy metabolism and blood formation, while iodine contributes to thyroid-related nutrient needs. These contributions can help fill dietary shortfalls. Several other nutrients are present at amounts below the saved contribution thresholds, and vitamin D's usable amount remains unresolved. The supplied facts do not establish broader benefit above adequate intake.
How this product is rated for Everyday Health
Ingredient fit72
Relevant nutrients contribute to this goal, while additional actives reduce the formula's focus on the supported roles. Recognized nutrient amounts make differing contributions; some are partial rather than full amounts against the saved references.
Goal fit
Relevant nutrients contribute to this goal, while additional actives reduce the formula's focus on the supported roles.
Dose adequacy
Recognized nutrient amounts make differing contributions; some are partial rather than full amounts against the saved references.
Pathways80
Energy metabolism and blood formation are the main recognized areas.
Depth
The strongest recognized area is energy metabolism.
Breadth
Energy metabolism and blood formation are the main recognized areas.
Evidence82
Folate drives the strongest saved evidence finding. Its supported role does not establish additional benefit above adequate nutrient intake.
Evidence strength
Folate drives the strongest saved evidence finding. Its supported role does not establish additional benefit above adequate nutrient intake.
Studied preparation
The saved result recognizes the preparations of the ingredients meeting its amount threshold; this does not establish superiority of particular forms.
Formulation logic97
The recognized ingredients have no missing required partners, and no configured conflict was triggered. Most recognized nutrients meet the saved amount threshold; vitamin D does not.
Partner coverage
The recognized ingredients work independently or have their required partners; this does not establish extra benefit from combining them.
Conflicts
No configured ingredient conflict was triggered by the supplied facts; this finding is limited to the evaluated combinations.
Effective doses
Most recognized nutrients meet the saved amount threshold; vitamin D does not.
Impact
Moderate effect
Magnesium · 50 mgVitamin C · 60 mgZinc · 11 mgVitamin A · 2500 IUVitamin D · 1000 IUSelenium · 19 mcg
Zinc, copper, folate, B6 and B12 support normal immune-cell function. Their contribution is nutritional rather than a promise of fewer infections. Vitamin A, D and E amounts remain unresolved, limiting assessment of those ingredients.
How this product is rated for Immunity
Ingredient fit38
Focus share 45.7 from 8 credited ingredients and 19 off-goal actives (Biotin, Calcium, Chloride, Chromium, Iodine, Lutein, Lycopene, Manganese, Molybdenum, Niacin, Nickel, Phosphorus, Potassium, Riboflavin, Silicon, Thiamin, Vanadium, Vitamin B5, Vitamin K); link focus 50.2 from 10 linked goals. Goal focus = 70% × share + 30% × link focus The saved amount assessment is limited; unresolved individual amounts limit the assessed contribution.
Goal fit
Focus share 45.7 from 8 credited ingredients and 19 off-goal actives (Biotin, Calcium, Chloride, Chromium, Iodine, Lutein, Lycopene, Manganese, Molybdenum, Niacin, Nickel, Phosphorus, Potassium, Riboflavin, Silicon, Thiamin, Vanadium, Vitamin B5, Vitamin K); link focus 50.2 from 10 linked goals. Goal focus = 70% × share + 30% × link focus
Dose adequacy
The saved amount assessment is limited; unresolved individual amounts limit the assessed contribution.
Pathways15
The strongest assessed area is lymphocyte function and immune regulation, with limited coverage. 0 of 3 target areas meet the saved coverage threshold.
Depth
The strongest assessed area is lymphocyte function and immune regulation, with limited coverage.
Breadth
0 of 3 target areas meet the saved coverage threshold.
Evidence100
Zinc is the strongest evidence contributor at an eligible amount in the saved findings. The eligible ingredients match preparations accepted in the saved assessment.
Evidence strength
Zinc is the strongest evidence contributor at an eligible amount in the saved findings.
Studied preparation
The eligible ingredients match preparations accepted in the saved assessment.
Formulation logic91
The assessed ingredients can contribute alone or have their required partners. No configured ingredient conflicts were identified in the supplied facts. 5 of 8 assessed ingredients meet the saved minimum amount threshold; below it: Vitamin D, Vitamin A, Vitamin E.
Partner coverage
The assessed ingredients can contribute alone or have their required partners.
Conflicts
No configured ingredient conflicts were identified in the supplied facts.
Effective doses
5 of 8 assessed ingredients meet the saved minimum amount threshold; below it: Vitamin D, Vitamin A, Vitamin E.
Impact
Moderate effect
Iodine · 150 mcgVitamin D · 1000 IUVitamin B5 · 10 mgMagnesium · 50 mgRiboflavin · 1.7 mgThiamin · 1.5 mgVitamin B12 · 25 mcgPotassium · 80 mg
B vitamins support normal energy metabolism, while folate and B12 contribute to normal blood-related nutrient functions. Magnesium may help fill a dietary gap associated with tiredness, but 50 mg is a modest contribution.
Iodine supports thyroid hormone production; neither that role nor high B-vitamin amounts implies increased energy in an adequately nourished person.
How this product is rated for Energy
Ingredient fit53
Relevant nutrients sit within a broad multivitamin. The relevant ingredients provide a partial saved exposure match.
Goal fit
Relevant nutrients sit within a broad multivitamin.
Dose adequacy
The relevant ingredients provide a partial saved exposure match.
Pathways0
The saved findings show no meaningful coverage of the core energy pathways.
Depth
The saved findings show no meaningful coverage of the core energy pathways.
Breadth
No core area reaches the saved meaningful-coverage threshold.
Evidence77
Riboflavin leads the saved evidence finding. Most effective ingredients match the saved preparation references; iodine does not.
Evidence strength
Riboflavin is the strongest effective ingredient in the saved finding.
Studied preparation
Most effective ingredients match the saved preparation references; iodine does not.
Formulation logic98
The assessed ingredients have no missing required partner or listed conflict. 9 of 10 assessed ingredients reach the saved minimum exposure level; Vitamin D falls below it.
Partner coverage
The assessed ingredients can contribute alone or have their required partner.
Conflicts
No listed conflict was found in the supplied assessment.
Effective doses
9 of 10 assessed ingredients reach the saved minimum exposure level; Vitamin D falls below it.
Vitamin B5 Not classified
No linked studies yet.
Impact
Lower effect
Magnesium · 50 mgZinc · 11 mgVitamin D · 1000 IU
Vitamin B6 Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin A (Beta-Carotene) | 2500 IU | |
Vitamin C | 60 mg | |
Vitamin D | 1000 IU | |
Vitamin E | 50 IU | |
Vitamin K | 30 mcg | |
Thiamine | 1.5 mg | |
Riboflavin | 1.7 mg | |
Niacin | 20 mg | |
Vitamin B6 | 3 mg | |
Folic Acid | 400 mcg | |
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 | |
Nickel | 5 mcg | |
Silicon | 2 mg | |
Vanadium | 10 mcg | |
Lutein | 250 mcg | |
Lycopene | 300 mcg |
Vitamin A (Beta-Carotene) · 2500 IU OverallScore60
A serving provides 2,500 IU of vitamin A from beta-carotene and retinyl acetate. The retinyl acetate is identified in Other Ingredients, so the nutrient row does not fully disclose the source split.
How this ingredient is rated
Active Ingredient Quality & Bioavailability38
Beta-carotene and retinyl acetate provide two different forms of vitamin A.
Vitamin A Chemical Form & Source
Vitamin A comes from beta-carotene and retinyl acetate; the latter is preformed vitamin A.
Dose, Safety & Label Transparency72
A serving provides 2,500 IU of vitamin A. The form disclosure is incomplete.
Dosage Efficacy & Safety Thresholds
A serving supplies 2,500 IU of vitamin A.
Label Transparency of Specific Forms
Beta-carotene is listed on the nutrient row; retinyl acetate is identified in Other Ingredients. The full split is not declared on the nutrient row.
Value80
The whole-product quantity supplying 5,000 IU costs about $0.18; that is moderate in this comparison.
Price per 5,000 IU Dose
The estimated cost of the whole-product quantity supplying 5,000 IU is about $0.18.
Iodine · 150 mcg OverallScore88
A serving provides 150 mcg of iodine, an amount consistent with daily support. Potassium iodide appears elsewhere in the ingredients, but its contribution to that iodine amount is unknown.
How this ingredient is rated
Active Ingredient Quality & Bioavailability69
Potassium iodide is listed elsewhere among the ingredients, but its contribution to the declared iodine is unresolved. No marine source is identified in the saved facts.
Iodine Form & Bioavailability
Potassium iodide appears in other ingredients, but the iodine row’s source and the share from that compound remain unresolved.
Marine Source Purity & Sourcing
No marine source is identified in the saved facts, so seaweed-specific sourcing is not assessed; that does not establish contaminant absence.
Dose, Safety & Label Transparency100
The serving provides 150 mcg of iodine, an amount consistent with daily support. The amount is disclosed and does not exceed the evaluated upper limit.
Dosage Efficacy for Daily Support
The 150 mcg of iodine per serving is consistent with daily support.
Dosage Safety & Upper Limits
The declared 150 mcg of iodine per serving does not exceed the evaluated upper limit.
Elemental Iodine Transparency
The iodine amount is given as 150 mcg per serving; potassium iodide appears elsewhere in the ingredients, but its contribution is unknown.
Value100
The whole-product serving costs about $0.09.
Price Per Effective Serving
The whole-product serving costs about $0.09.
Chloride · 72 mg OverallScore77
A serving lists 72 mg of chloride, a moderate amount. Potassium chloride appears separately in the other ingredients.
How this ingredient is rated
Active Ingredient Quality & Bioavailability80
Potassium chloride appears in the other ingredients, rather than alongside the chloride amount.
Chloride source quality
Potassium chloride appears in the other ingredients, rather than alongside the chloride amount.
Dose, Safety & Label Transparency63
The label lists 72 mg of chloride per serving, a moderate amount. The chloride amount is listed as 72 mg per serving; potassium chloride appears separately in the other ingredients.
Chloride amount per serving
Each serving lists 72 mg of chloride, a moderate amount.
Amount and source disclosure
The chloride amount is listed as 72 mg per serving; potassium chloride appears separately in the other ingredients.
Value100
The whole-product serving costs about $0.09, toward the lower end of the comparison.
Price per serving
The whole-product serving costs about $0.09, toward the lower end of the comparison.
Alternative products
Report alternatives
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.
- Vanadium exposure-induced neurobehavioral alterations among Chinese workers.