A chickpea protein drink after every ride: two weeks later, cyclists' blood showed fewer signs of muscle stress, but nobody checked whether they actually recovered faster

Plant proteins are the fastest-growing corner of the sports supplement shelf, and most of the talk is about whether pea or soy can build muscle as well as whey. A small trial published in the Journal of the International Society of Sports Nutrition on 3 October 2026 asked a different question: can a protein made from chickpeas, broken down into short peptides, take some of the sting out of hard training? The hydrolysate was developed by a plant-protein group at the Instituto de la Grasa, part of Spain's national research council in Seville, and tested by sports scientists at Pablo de Olavide University.

The volunteers were 24 licensed amateur road cyclists from the province of Seville, all men, with an average age of 43. For 14 days each drank a sachet dissolved in 550 ml of water straight after training, or at the same time on rest days. Half got 12 g a day of the chickpea hydrolysate; the other half got a lookalike drink made mostly of maltodextrin, a quickly digested starch. Neither the riders nor the researchers knew who had which. The cyclists kept training as usual, about 490 km and 17 hours on the bike over the fortnight plus two gym sessions a week, and blood was taken after an overnight fast, 12 hours after a two-hour interval session.

By the end, the two groups had moved in opposite directions on three markers. Lactate dehydrogenase, an enzyme that leaks into the blood when cells are stressed, fell by about 16% in the chickpea group and rose about 2% on placebo. Creatine kinase, the classic sign of muscle damage, dropped about 15% with chickpea and climbed about 40% on placebo. C-reactive protein, a general inflammation marker, went from 0.10 to 0.09 mg/dl with chickpea and from 0.12 to 0.15 on placebo. The differences between groups were statistically significant for lactate dehydrogenase and C-reactive protein, and just short of it for creatine kinase. Weight, fat and lean mass didn't change in anyone.

The authors are careful not to oversell it, and a reader should be too. Within each group, none of the before-and-after changes was significant on its own. C-reactive protein stayed in the normal range throughout, and the shifts were tiny. Nobody measured soreness, perceived recovery or performance, so the trial can't say anyone rode better. The placebo wasn't protein, so it can't separate any special effect of chickpea peptides from simply getting a little more protein, even though the riders already ate about 150 g a day, over 2 g per kilo of body weight. The drinks didn't taste quite the same, and the trial was registered only after the fact. The work was funded by Spanish public research bodies, the EU regional fund and Aurora Intelligent Nutrition, the company that formulated the supplement and holds the patent on it; several authors helped develop the hydrolysate but declare no patents or financial stake, and the paper says the funders had no role in the analysis.