
A composition match, not medical advice.

Argistrong Lemon Orange Flavour Sugar Free Granules 6.5gm contains L Arginine 3000mg + Proanthocyanidin 75mg, as a granules. It is made by Mankind Pharmaceuticals Ltd.
No, it is sold over the counter. Ask a doctor or pharmacist if you are unsure whether it suits you.
Yes. L-Arginine 3g and Proanthocyanidin 75 mg Granules (Sugar Free) is a Jan Aushadhi medicine with the same salt, the same strength and the same form. On JanAushadhiOnline it costs ₹23.44 for 6.5 gms (₹3.6 / gm), against ₹10.5 / gm for Argistrong Lemon Orange Flavour Sugar Free Granules 6.5gm at its printed MRP — 65% less per gm. Ask your doctor before changing a brand.