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Severe neurological damage from prolonged deficiency can become permanent if not treated promptly which is why accurate and timely diagnosis matters more than choosing a particular supplement form
Boosting it could extend healthy lifespan."[13][3] He advocates for precursors but sees value in inhibitors like 5-Amino-1MQ to maximize NAD+ utility
Vitamin B12 is best injected intramuscularly into the deltoid (upper arm), thigh, or gluteal muscle (buttocks)
The more depleted your body is, the more time and consistent supplementation it will take to feel the full effects
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