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Centrum Silver Women 50+

GSK
4.7
★ ★ ★ ★ ★
(871 ratings)
Iodine 150 mcg
Chloride 72 mg
Iron 8 mg
Manganese 2.3 mg
Molybdenum 50 mcg
Chromium 52 mcg
Vitamin K 50 mcg
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Score76
The broad one-tablet formula provides useful maintenance amounts, but most chemical forms are not disclosed and several minerals are modest. Vitamin K can counter warfarin, so people using that anticoagulant need a consistent intake.
How scoring works
Quantity:275 Tablet(s) • (275 servings)
Goals:
Energy

Score 76

The broad one-tablet formula provides useful maintenance amounts, but most chemical forms are not disclosed and several minerals are modest. Vitamin K can counter warfarin, so people using that anticoagulant need a consistent intake.
How scoring works
$28.00($0.10 per serving)
Walmart
$ 28.00
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Analysis

The broad one-tablet formula provides useful maintenance amounts, but most chemical forms are not disclosed and several minerals are modest. Vitamin K can counter warfarin, so people using that anticoagulant need a consistent intake.

Missing source identity leaves both bioavailability and marine-purity risk uncertain. The 150 mcg amount matches standard daily support needs and remains below the adult upper limit.

B vitamins and iodine support normal fuel metabolism, while the wider multivitamin helps fill nutritional gaps in women over fifty. The formula does not contain a stimulant or a dedicated mitochondrial active.

Who is it for
  • Adults focused on energy
  • Adults focused on detoxification
  • Adults focused on mental focus
Best for
  • Iodine supplementation
  • Chloride supplementation
  • Manganese supplementation

Pros

  • Provides a disclosed 25.00mcg of vitamin d3
  • Provides a disclosed 50.00mcg of vitamin b12
  • Provides a disclosed 50.00mcg of vitamin k

Cons

  • Many nutrient forms are standard or undisclosed
  • Calcium and magnesium are modest
  • Small carotenoid additions provide limited depth

Warnings

  • Vitamin K can oppose warfarin and related medicines, so intake should remain consistent and medically coordinated.
  • The broad formula should not be stacked casually with another multivitamin.
  • The listed iron amount may be unnecessary for people with adequate iron stores or those advised to avoid supplemental iron.

Nutrient quality

73 High impact

Most vitamin and mineral chemical forms are undisclosed, preventing a reliable absorption assessment. Many vitamins and trace minerals reach useful maintenance amounts, while calcium, magnesium, and specialty actives are modest.

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Ingredient transparency

72 High impact

All meaningful active amounts are clearly disclosed. The supplied data does not include a complete inactive ingredient list.

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Customer satisfaction

69 High impact

The aggregate satisfaction measure is supported by adequate volume. Missing feedback themes leave recurring complaints and purpose fit uncertain.

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Value for money

92 Highest impact

The price is very well matched to the formula quality and dose. Each serving provides excellent cost efficiency.

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Report analysis

Goals

Impact
Moderate effect
B Goal FitD- Strength of SupportC CoverageB Formula Quality
Iodine · 150 mcgVitamin D · 25 mcgVitamin B5 · 5 mgMagnesium · 100 mgRiboflavin · 1.1 mgThiamin · 1.1 mgVitamin B12 · 50 mcgIron · 8 mgPotassium · 80 mg

B vitamins and iodine support normal fuel metabolism, while the wider multivitamin helps fill nutritional gaps in women over fifty. The formula does not contain a stimulant or a dedicated mitochondrial active.

Vitamin B12 and magnesium fall below the rubric’s focused amounts, and cyanocobalamin, magnesium oxide, and zinc oxide limit form quality. It is more useful for baseline nutrition than for a noticeable energy effect.

Study evidence
Iodine Adverse 3 studies
Magnesium Supportive 4 studies

Ingredients

IngredientAmount per serving
Vitamin A (Beta-Carotene)
1050 mcg
Vitamin C
100 mg
Vitamin D3
25 mcg
Vitamin E
15.8 mg
Vitamin K
50 mcg
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
Phosphorus
20 mg
Iodine
150 mcg
Magnesium
100 mg
Zinc
15 mg
Selenium
22 mcg
Copper
0.5 mg
Manganese
2.3 mg
Chromium
52 mcg
Molybdenum
50 mcg
Chloride
72 mg
Potassium
80 mg
Lutein
300 mcg
Gluten Free Women 50+
Report overview
Iodine · 150 mcg OverallScore77
D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Missing source identity leaves both bioavailability and marine-purity risk uncertain. The 150 mcg amount matches standard daily support needs and remains below the adult upper limit. Very low serving cost partly offsets the undisclosed iodine source.

Chloride · 72 mg OverallScore56
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyA+ Value

The chloride amount is moderate and clearly disclosed, making it a useful part of a broader multivitamin. The source salt is not identified, which leaves form quality uncertain. A single tablet is convenient and inexpensive per serving.

Manganese · 2.3 mg OverallScore54
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value

Centrum Silver Women 50+ does not disclose the manganese form, leaving its absorption quality uncertain. Its dose is appropriate for maintenance but modest for targeted bone or joint support. The serving cost supports economical routine use.

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Sources

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

  1. 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
  2. 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
  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. 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
  5. 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
  6. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  7. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium