Choosing a prebiotic fibre for daily use should begin with your stomach, not the advertisement.
First, ask what you want from it. If you want a lighter gut health fibre, PHGG or acacia fibre may be worth considering. If you want strong gel formation, psyllium husk behaves differently. If you want resistant starch, raw banana flour or cooked and cooled starches enter another category.
Second, check tolerance. People who bloat easily should avoid starting with large doses of highly fermentable fibres like inulin or FOS. A smaller serving taken consistently is often better than a big serving taken twice and abandoned.
Third, read the label. Look for the actual fibre source and fibre per serving. Avoid vague blends where the ingredient amounts are hidden. A good product should tell you what is inside and why it is there.
Indian food should remain the base. Dal, vegetables, fruit, oats, chana, millets, curd and fermented foods all help create a better microbiome environment.
Try one prebiotic change at a time. Keep water steady. Give your gut a week or two to respond.
Daily prebiotic fibre is not about intensity. It is about a repeatable input your microbiome can keep receiving.
The right prebiotic fibre is rarely the strongest one. It is the one you can still be taking, comfortably, a month from now.