Cholecalciferol
Maximum D3 is a brand-name vitamin D3 (cholecalciferol) supplement used to treat and prevent vitamin D deficiency. It is commonly prescribed to support bone health, improve calcium absorption, and address conditions related to low vitamin D levels such as osteomalacia, osteoporosis, and rickets.
Maximum D3 is a vitamin D3 supplement used to treat vitamin D deficiency and support bone health.
Key facts at a glance
- RxNorm
- 967916
- Generic
- Maximum D3
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treatment and prevention of vitamin D deficiency, support for bone health, management of conditions such as rickets, osteomalacia, and osteoporosis, and supplementation for individuals with limited sun exposure or malabsorption issues.
Maximum D3 contains cholecalciferol (vitamin D3), which is converted by the body to calcitriol, the active form of vitamin D that enhances intestinal absorption of calcium and phosphorus, supporting bone mineralization and overall bone health.
Should be taken as directed by a healthcare provider. Excessive vitamin D intake can cause toxicity. Patients with hypercalcemia, kidney disease, or sarcoidosis should consult their doctor before use. Regular monitoring of vitamin D levels may be recommended.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy