Yes, you can start, and you can take it with
b12 medication
Next Steps
first try in small amounts like 5gm in an empty stomach over night soaked one. and if you notice any reaction stop it.
Health Tips
if it has no side effects then you can take 15 gm per day or you can add all 6-7 super seeds 25 gm per day, like chia seed, flax seeds, pumpkin seeds, watermelon seeds, sunflower seeds etc.