How does the capsule form differ from a herbal tea with a similar effect?

The main practical difference is the predictability of the dose. In a capsule, the amount of each extract is fixed by the manufacturer, whereas the strength of a herbal tea depends on the brewing time, the amount of herb used and the quality of the particular batch. For those who want to know exactly what they are taking and in what quantity, the capsule format is simpler in this respect.

The second point is the absence of a pronounced herbal taste and smell. Rhubarb and blackthorn extracts have a characteristic taste that not everyone likes; in a capsule, it is neutralised.

Easy storage and use when travelling is another argument: no boiling water, cups or time for brewing are needed. It is precisely in travel situations, which often trigger irregular bowel movements, that this can be important.

At the same time, the capsule form does not mean a stronger or faster effect compared with a tea made from the same plants — that depends on the specific composition and concentration of the extracts, not on the format as such. If you are used to tea and find it convenient, there is no point in switching to capsules just for the sake of the format. Capsules are an alternative for those who find tea inconvenient or unpleasant to drink.