I think instead of supplements you need to alter your diet. I can make a personalised diet plan for you.

Please ask me directly for details.

✅. Is it safe long term Yes , oral vitamin B12 at 1500 mcg per day is generally Safe , even long term use , if needed - especially in Cases of deficiency or poor absorption Can you get B12 toxicity at this dose No real risk of toxicity Vitamin B12 is water soluble vitamin and any excess is Usually excreted in urine ✅. What you should do now : Check your vitamin B12 levels, if you haven’t retested Recently Ideal range : 350- 900 pg / mL Taper to maintenance dose : If B12 is normal: reduce 500-1000mcg , 2-3 times/week If borderline: continue daily 3-6 months , then reassess Retest every 3-6 months ( especially vegan or absorption issues) Also includes B12 rich foods ( non vegetarian) Eggs Dairy Fortified cereals Fish and meat

Good morning pls connect with general physician for it.