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Step 2: Administration The injection is typically administered in the buttocks, thigh, or upper arm
I started getting biotin injections a few months ago due to my severe hair thinning
Data last updated 07/07/2026
Smoking Alcohol abuse Having endocrine-related autoimmune disorders (such as diabetes, or thyroid disorder) Gastrointestinal disorders such as Crohns disease Having undergone gastric bypass surgery or other surgeries that remove parts of the stomach
Taking vitamins orally or relying on your digestive system to absorb all of the vitamins is not as effective as injections because a certain percentage of the vitamins will be lost through the digestive process and expelled as waste
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