Guarana is a herbal preparation based on the seed of the Paullinia cupana (Guarana). Guarana contains guaranine, which is chemically similar to caffeine, but is absorbed more slowly by the body.
Guarana is a herbal preparation based on the seed of the Paullinia cupana (Guarana). Guarana contains guaranine, which is chemically similar to caffeine, but is absorbed more slowly by the body.
