Centrum Silver Women 50+

Centrum Silver Women 50+

GSK4.7 (871 ratings)
Format:Tablet Quantity: 275 Tablet(s) · 275 servings
Goals
$28.00 $0.10 per serving

Product analysis

46 out of 100

Centrum Silver Women 50+ offers a broad range of vitamins and minerals to help fill dietary gaps. Its nutrients support normal energy use, with benefits for tiredness mainly when a nutritional shortfall is present.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

Most nutrient forms are unnamed, leaving uncertainty about their individual quality. Beta-carotene is identified for vitamin A, but there is not enough information to establish a quality advantage across the combination.

Ingredient Transparency64

Every nutrient amount is disclosed, which helps you compare the serving with your needs. Nearly all nutrient forms are unnamed, making comparisons between sources much harder.

Value For Money51

The low serving cost provides favorable value for several minerals and vitamin K. Cost comparisons for many other nutrients remain uncertain, so their individual contribution to value is less clear.

Customer Satisfaction80

Buyers give high ratings across a sizeable review base. The volume offers useful support for that positive sentiment without demonstrating an effect on energy.

Product Focus32

The broad nutrient range is suited to covering dietary gaps rather than a narrowly targeted need. Its energy-related usefulness depends mainly on whether a shortfall contributes to tiredness.

Format
Tablet
Container
275 Tablet(s)
Per serving
$0.10
Customer rating
4.7 · 871 ratings
Report analysis

Goals

Impact
Moderate effect
C- Ingredient FitF PathwaysA EvidenceA+ Formulation Logic
Iodine · 150 mcgVitamin D · 25 mcgVitamin B5 · 5 mgMagnesium · 100 mgRiboflavin · 1.1 mgThiamin · 1.1 mgVitamin B12 · 50 mcgIron · 8 mgPotassium · 80 mg
Study evidence
Iodine Adverse 3 studies
Iron Supportive 74 studies
Magnesium Supportive 4 studies
Potassium Supportive 2 studies
Thiamin Disputed 12 studies
Vitamin D Supportive 32 studies

Ingredients

IngredientAmount per servingScore
Vitamin A (Beta-Carotene)
1050 mcg
Vitamin C
100 mg
Vitamin D3
25 mcg
Vitamin E
15.8 mg
Vitamin K
50 mcg 42
Thiamine
1.1 mg
Riboflavin
1.1 mg
Niacin
14 mg
Vitamin B6
5 mg
Folate
667 mcg DFE
Vitamin B12
50 mcg
Biotin
30 mcg
Pantothenic Acid
5 mg
Calcium
23 mg
Iron
8 mg 51
Phosphorus
20 mg
Iodine
150 mcg 88
Magnesium
100 mg
Zinc
15 mg
Selenium
22 mcg
Copper
0.5 mg
Manganese
2.3 mg 58
Chromium
52 mcg 27
Molybdenum
50 mcg 46
Chloride
72 mg 77
Potassium
80 mg
Lutein
300 mcg
Gluten Free Women 50+
Report overview
Iodine · 150 mcg OverallScore88
C+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
A serving provides 150 mcg of iodine at a low cost per serving. The iodine source is unspecified; Potassium Iodide appears in Other Ingredients, but its contribution to the total is unclear.
How this ingredient is rated

Active Ingredient Quality & Bioavailability69

The iodine source is unspecified; Potassium Iodide appears in Other Ingredients, but its contribution to the total is unclear. No marine source is indicated, so seaweed-specific purity concerns do not apply.
Iodine Form & Bioavailability
The iodine source is unspecified; Potassium Iodide appears in Other Ingredients, but its contribution to the total is unclear.
Marine Source Purity & Sourcing
No marine source is indicated, so seaweed-specific purity concerns do not apply.

Dose, Safety & Label Transparency100

A serving supplies 150 mcg of iodine. The iodine amount is stated.
Dosage Efficacy for Daily Support
A serving supplies 150 mcg of iodine.
Dosage Safety & Upper Limits
The amount is below the 1,100 mcg reference upper limit.
Elemental Iodine Transparency
The iodine amount is stated.

Value100

The cost per serving is low.
Price Per Effective Serving
The cost per serving is low.
Chloride · 72 mg OverallScore77
B+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyA+ Value
A moderate 72 mg of chloride per serving comes at a low cost per serving. Potassium chloride appears in Other Ingredients, but the chloride entry doesn't assign it as the source.
How this ingredient is rated

Active Ingredient Quality & Bioavailability80

Potassium chloride appears in Other Ingredients, but the chloride entry doesn't assign it as the source.
Chloride source quality
Potassium chloride appears in Other Ingredients, but the chloride entry doesn't assign it as the source.

Dose, Safety & Label Transparency63

Each serving provides 72 mg of chloride, a moderate amount. The chloride amount is listed, but the chloride entry does not fully identify its source.
Chloride amount per serving
Each serving provides 72 mg of chloride, a moderate amount.
Amount and source disclosure
The chloride amount is listed, but the chloride entry does not fully identify its source.

Value100

The cost per serving is low.
Price per serving
The cost per serving is low.
Manganese · 2.3 mg OverallScore58
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value
The serving provides 2.3 mg of manganese, a moderate amount, at a low cost per serving. Manganese sulfate appears under Other Ingredients, but the source of the stated manganese amount is unclear.
How this ingredient is rated

Active Ingredient Quality & Bioavailability8

Manganese sulfate appears under Other Ingredients, but the source of the stated manganese amount is unclear.
Manganese Chemical Form
Manganese sulfate appears under Other Ingredients, but the source of the stated manganese amount is unclear.

Dose, Safety & Label Transparency86

The label clearly states 2.3 mg of manganese per serving, a moderate amount.
Manganese Dosage Efficacy & Safety
The serving supplies 2.3 mg of manganese, a moderate amount.
Elemental Weight Disclosure
The manganese amount is clearly stated as 2.3 mg per serving.

Value100

The cost per serving is low.
Price per Serving vs. Median
The cost per serving is low.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Association of radioactive iodine treatment with survivorship symptoms and primary care utilisation in women of reproductive age with thyroid cancer: a retrospective cohort study.
    Devanarayan P; Hartman M; Partin M · Family medicine and community health · 2026
    Cohort study10,882 participantsEnergy forIodine
  2. Energy level and fatigue after surgery for thyroid cancer: A population-based study of patient-reported outcomes.
    Hughes DT; Reyes-Gastelum D; Kovatch KJ; Hamilton AS; Ward KC; Haymart MR · Surgery · 2020
    Cohort study2,584 participantsEnergy forIodine
  3. Health-Related Quality of Life in Differentiated Thyroid Cancer Survivors: A Cross-Sectional Study From Turkey.
    Gültekin A; Kahraman MY; Şengöz T; Şimşek FS · Head & neck · 2026
    Cross-sectional study202 participantsEnergy forIodine
  4. Large-dose intravenous ferric carboxymaltose injection for iron deficiency anemia in heavy uterine bleeding: a randomized, controlled trial.
    Van Wyck DB; Mangione A; Morrison J; Hadley PE; Jehle JA; Goodnough LT · Transfusion · 2010
    Randomized trial477 participantsEnergy forIron
  5. The Effect of Parenteral or Oral Iron Supplementation on Fatigue, Sleep, Quality of Life and Restless Legs Syndrome in Iron-Deficient Blood Donors: A Secondary Analysis of the IronWoMan RCT.
    Macher S; Herster C; Holter M; Moritz M; Matzhold EM; Stojakovic T; Pieber TR; Schlenke P; Drexler C; Amrein K · Nutrients · 2021
    Randomized trial176 participantsEnergy forIron
  6. Ferric carboxymaltose vs. oral iron in the treatment of pregnant women with iron deficiency anemia: an international, open-label, randomized controlled trial (FER-ASAP).
    Breymann C; Milman N; Mezzacasa A; Bernard R; Dudenhausen J; FER-ASAP investigators · Journal of perinatal medicine · 2018
    Randomized trial252 participantsEnergy forIron
  7. Effect of iron therapy on fatigue symptoms in non-anaemic iron deficient women of reproductive age- A Randomized Controlled Trial.
    Sultana N; Bajwa FA; Sikandar MZ; Haider MM; Majeed T · JPMA. The Journal of the Pakistan Medical Association · 2026
    Randomized trial164 participantsEnergy forIron
  8. Intravenous iron isomaltoside treatment of women suffering from severe fatigue after postpartum hemorrhage.
    Holm C; Thomsen LL; Langhoff-Roos J · The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2019
    Randomized trial85 participantsEnergy forIron
  9. Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
    Hausenblas HA; Lynch T; Hooper S; Shrestha A; Rosendale D; Gu J · Sleep medicine: X · 2025
    Randomized trial80 participantsEnergy forMagnesium
  10. Total magnesium intake and risk of frailty in older women.
    Struijk EA; Fung TT; Bischoff-Ferrari HA; Willett WC; Lopez-Garcia E · Journal of cachexia, sarcopenia and muscle · 2024
    Cohort study81,524 participantsEnergy forMagnesium
  11. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  12. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  13. [Efficacy of potassium N-acetylaminosuccinate (Cogitum) in the treatment of asthenic syndrome: results of double-blind placebo-controlled trial].
    Esin RG; Khayrullin IK; Esin OR; Fatykhova AF; Gismatullina EI; Isaeva YN · Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova · 2023
    Randomized trial37 participantsEnergy forPotassium
  14. Human resting energy expenditure in relation to dietary potassium.
    Dériaz O; Thériault G; Lavallée N; Fournier G; Nadeau A; Bouchard C · The American journal of clinical nutrition · 1991
    Randomized trial8 participantsEnergy forPotassium
  15. Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers.
    Fouad S; Ibrahim GE; Hussein AMS; Ibrahim FA; El Gendy A · Heliyon · 2021
    Non-randomized trialEnergy forRiboflavin
  16. Vitamin B status in patients with chronic fatigue syndrome.
    Heap LC; Peters TJ; Wessely S · Journal of the Royal Society of Medicine · 1999
    Case-control study30 participantsEnergy forRiboflavin
  17. B-vitamins, related vitamers, and metabolites in patients with quiescent inflammatory bowel disease and chronic fatigue treated with high dose oral thiamine.
    Bager P; Hvas CL; Hansen MM; Ueland P; Dahlerup JF · Molecular medicine (Cambridge, Mass.) · 2023
    Observational studyEnergy forRiboflavin
  18. Metabolic features of chronic fatigue syndrome.
    Naviaux RK; Naviaux JC; Li K; Bright AT; Alaynick WA; Wang L; Baxter A; Nathan N; Anderson W; Gordon E · Proceedings of the National Academy of Sciences of the United States of America · 2024
    Case-control study84 participantsEnergy forRiboflavin
  19. Effectiveness of Riboflavin in Inherited Metabolic Diseases: A Systematic Review
    Bregje Jaeger, Nina N Stolwijk, Femke Aaldering, Charlotte A Ruys, Marije Smits, Nicole I Wolf, Carla E M Hollak, Annet M Bosch · Journal of Inherited Metabolic Disease · 2026
    Systematic review381 studies pooledEnergy forRiboflavin
  20. Influence of thiamin supplementation on the health and general well-being of an elderly Irish population with marginal thiamin deficiency.
    Smidt LJ; Cremin FM; Grivetti LE; Clifford AJ · Journal of gerontology · 1991
    Randomized trial80 participantsEnergy forThiamin