Prescription vitamin D failed, but Metagenics' supplement improved energy and well-being within days - highly recommended.

A user with severe vitamin D deficiency experienced faster results from Metagenics supplements than prescription doses, reporting improved vitality within days of use.

This review is from Amazon.com for product:

Metagenics Vitamin D3 + K - for Immune Support, Bone Health & Heart Health* - Vitamin D with MK-7 (Vitamin K2) - Non-GMO - Gluten-Free - 60 Softgels - 10,000 IU

I was on 50,000 IU's of D/week in prescription form as I have severly low D. Didn't notice any change. Started these 5 days ago and while I haven't had levels tested again, I can notice a major difference in how I feel in a short time. Eager to see how much my D levels raise next time I have blood drawn. Definitely recommend. Love all Metagenics products.

Vitamin Basics & Tips

Vitamin D plays a crucial role in bone health, immune function, and mood regulation. While prescription high-dose supplements (like 50,000 IU/week) are common for severe deficiencies, absorption efficiency varies based on formulation and individual biology. Oil-based softgels often enhance bioavailability compared to tablet forms.

Combining vitamin D with magnesium improves activation and utilization, as magnesium aids in converting vitamin D to its active form. Regular blood testing remains essential – optimal levels typically fall between 30-50 ng/mL. Natural sunlight exposure (10-30 minutes midday) and dietary sources like fatty fish contribute to maintaining levels.

Emerging research suggests vitamin D's potential role in reducing inflammation and supporting respiratory health. However, megadoses without medical supervision can lead to toxicity symptoms like nausea and kidney issues. Always consult a healthcare provider before switching supplements, especially when managing severe deficiencies.

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Tags： vitamin d deficiency metagenics supplements 50 000 iu prescription energy improvement blood level testing

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