Not all fibre has to gel. Gel is only one kind of fibre behaviour.
Psyllium husk gels strongly because it absorbs water and forms a viscous structure. This is useful for certain goals, but it also creates thickness, clumping risk and texture issues. Some people want that. Others need a lighter daily fibre.
PHGG and acacia fibre are examples of soluble fibres that usually mix more gently and do not create the same heavy gel. Resistant dextrin is another lighter fibre used in foods and drinks. Resistant starch behaves differently again because it reaches the colon and can be fermented by bacteria.
This is why a fibre supplement shelf can be confusing. If you judge everything by grams, you miss the behaviour. A spoon of psyllium is not the same as a spoon of PHGG. A prebiotic fibre is not the same as wheat bran. A satiety fibre is not the same as a microbiome fibre.
For Indian consumers, the practical rule is to match fibre to routine. Thick drinks, light drinks, baking, gut support and fullness may all need different ingredients.
Gel forming fibre is powerful. But the future of fibre needs more than gel alone.
A shelf full of fibre only looks confusing if you judge it by grams. Judge it by behaviour instead, and the choice gets much easier.