For most healthy adults, daily doses ranging from 250mg to 1,000mg are common and well-tolerated
Ive been following the incretin space closely you know this if you read my retatrutide deep dive
This was particularly effecting memory and cognition coupled with previous positive tests to Epestine Barr, Cystic Acne and heavy metal toxicity
A widely used formula is methionine, inositol, choline chloride, L-carnitine, thiamine (B1), and dexpanthenol (B5), often around 15/50/50/50/15/5 mg/mL
In this situation, it can be challenging to demonstrate B12 deficiency even when there are typical symptoms (including neuropathy-like paraesthesia and numbness), as serum B12 concentrations may be just within, or sometimes above, the normal range due to the oral supplementation