What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Fosteum ( Cholecalciferol/Genistein/Zinc Chelazome)


Fosteum ( Cholecalciferol/Genistein/Zinc Chelazome)

Prescription Required

27mg / 20mg

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  • Product Details


    Fosteum is a prescription medical food primarily prescribed for post-menopausal women who have experienced bone loss through osteopenia and osteoporosis. 

    Osteopenia and osteoporosis are conditions where bone density is lost over time and is more common in older adults. In osteoporosis, there are no symptoms, but bone loss is occuring. If the condition progresses then you may experience the following symptoms: loss of height, back pain, stooped posture, and easily fractured bones.

    Fosteum contains the active ingredient Genistein, which works by decreasing how much the bones are recycled by different types of bone tissue. Over time, the amount of minerals like calcium increase in your bones, potentially lowering the risk of fracture.


    Take Fosteum exactly as directed by your doctor.

    The standard dosage is 1 tablet every 12 hours as directed. You can take this medication with or without food. If you miss a dose, take it as soon as you remember but do not double up.


    The active ingredients in Fosteum include Genistein, cholecalciferol (vitamin D3), and Zinc.

    It also contains the following inactive ingredients:

    • Dicalcium malate
    • Magnesium oxide
    • Magnesium stearate
    • Micro-crystalline cellulose


    Fosteum can interact with several medications, including those in the following classes:

    • Anticonvulsants
    • Bile acid sequestrants
    • Cholestyramine
    • Cimetidine
    • Mineral oil
    • Olestra
    • Orlistat
    • Thiazides

    Tell your doctor or pharmacist if you are taking any of these medications before starting Fosteum.


    Use Fosteum with caution if you have a history of breast cancer, uterine cancer, or ovarian cancer.

    Fosteum has been shown to increase bone mineral density, but it has not been shown to reduce the risk of fracture.

    Side Effects

    Side effects are uncommon with Fosteum, but can include:

    • Abdominal pain
    • Constipation
    • Dyspepsia
    • Epigastric pain
    • Vomiting


    Fosteum. Scottsdale, AZ: Primus Pharmaceuticals, Inc.; 2011.

    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Product Code : 13605

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