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Those over 70 may need 20 mcg (800 IU)
Users do not report bloating or edema
Oral supplements are generally more convenient than injections, as they do not require a visit to a healthcare facility or a home visit from a healthcare professional for administration
Thank you so much for all of this, so useful
Any combination of treatments should be discussed with and supervised by a qualified medical provider before starting.
Last reviewed: November 16, 2025 The list of underlying health conditions and other factors shown to increase the risk of severe COVID-19 illness is long
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