Vitamin B12 deficiency can also result in neuropathy through degeneration of nerve fibers and irreversible brain damage [65]
Ultra-processed foods (ready meals, biscuits, crisps, sugary drinks) are fine in smaller amounts, but they tend to be lower in protein and fibre and higher in refined carbohydrates that spike blood sugar, so they shouldnt form the basis of your meals
What to Do If You Feel Off If youre feeling off or lightheaded, especially during your first few weeks on semaglutide, try: Eating a small, balanced snack with protein and carbs (like fruit and peanut butter) Drinking water and resting for a few minutes Keeping track of when symptoms happen and what you ate (or didnt eat) beforehand Most cases resolve quickly with a simple snack, but if symptoms become frequent or youre concerned, reach out to your provider right away so they can adjust your plan
Some might notice improvements quickly, while others see changes gradually or not at all