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Nature's Way OsteoPrime Plus Calcium & Magnesium Tablets, 120 ct

Product score80.3 / 100Very good
Brand
Nature's Way
Category
Calcium
Recorded price
$20.45
Price per serving
$0.68

Supplement facts

Label photo ›
Serving size
4 Tablet(s)
Servings per container
30
IngredientAmount per serving% daily value
Calories10—
Total Carbohydrates2 g1%
Vitamin C120 mg133%
Vitamin D320 mcg100%
Vitamin K1300 mcg250%
Thiamine20 mg1,667%
Riboflavin20 mg1,538%
Niacin50 mg313%
Vitamin B620 mg1,176%
Folate800 mcg DFE200%
Folic Acid Part of Folate420 mcg—
Quatrefolic Part of Folate104 mcg—
Vitamin B1250 mcg2,083%
Pantothenic Acid20 mg400%
Calcium800 mg62%
Phosphorus128 mg10%
Magnesium300 mg71%
Zinc20 mg182%
Selenium100 mcg182%
Copper2 mg222%
Manganese7 mg304%
Molybdenum50 mcg111%
Sodium5 mg1%
Betaine Hydrochloride20 mg—
Silicon5 mg—
Boron3 mg—
Vitamin K245 mcg—

Other ingredients

  • Cellulose
  • Sodium Croscarmellose
  • Stearic Acid
  • Magnesium Stearate
  • Hypromellose
  • Glycerin

Directions on the label

Recommendation: Adults take 4 tablets daily with food. Do not exceed recommended dose.

Label data from the Dietary Supplement Label Database.

Label data as of

Label photo
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Product score

80.3 / 100Very good
Category average
75.4 / 100
Average for similar products
80 / 100

This is a substantial once-daily bone-support formula, but the label does not disclose the chemical forms of calcium or magnesium.

Scoring criteria
  • Quantity

    100 / 100

    The labelled daily serving provides 800 mg calcium, 300 mg magnesium, 20 mcg vitamin D3, and meaningful vitamin K, which is an adequate general supplemental bone-support routine.

  • Form

    65 / 100

    Vitamin D3 is clearly identified, but the applicable calcium and magnesium chemical forms are not disclosed, leaving their form-level absorption and tolerability properties unresolved.

  • Convenience

    55 / 100

    The label directs adults to take four tablets daily with food, and 120 tablets provide 30 daily servings.

  • Label accuracy

    100 / 100

    The quantified panel and directions are internally consistent, with four tablets daily and 30 servings from 120 tablets.

  • Formula balance

    75 / 100

    The formula supplies several relevant bone nutrients at meaningful amounts without a demonstrated compatibility problem, but the balance and interactions among its many ingredients are not specifically validated.

  • Purity

    75 / 100

    The label lists ordinary excipients and no documented contaminant or additive problem, but it provides no product-specific testing evidence.

  • Cofactors

    75 / 100

    Vitamin D3 and vitamins K1 and K2 have relevant complementary roles for bone metabolism at declared amounts, although added clinical benefit from this exact combination is not established here.

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