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Injections bypass absorption issues in the gut, delivering B12 directly into muscle for rapid effect

Also, if you are on supplementation of Vitamin B12 or folic acid without doctors recommendation, the excess dosage might interfere with medications for thyroid, diabetes, or other autoimmune conditions often seen with vitiligo

Goal: Support metabolic homeostasis, insulin sensitivity, and age-related physical performance based on preclinical evidence [1] [2] [4]

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This effect is particularly noted with nasal spray use, which may be due to the higher dosages needed compared to subcutaneous injections [16]

Increased Requirements: Rapidly replenishes B vitamin levels during periods of high metabolic demand, such as post-surgery or chronic stress