Topic
Every study covered on this subject, newest first.
In an eight week randomized placebo controlled trial in older adults, Pediococcus acidilactici PA53 was reported to improve stool consistency by 28% and reduce GI symptoms by 9.5%, with shakier headline gains in happiness and sleep. Every figure currently rests on trade reporting.
The Journal of Nutrition · Wang et al. · 4 August 2026
France's food safety agency ANSES reported liver decompensation, kidney failure and transplant in a 54 year old with pre existing liver disease who massively over consumed mass gainer and whey, rating the supplement link very likely for the liver injury.
3 August 2026
A systematic review of 91 sodium bicarbonate supplementation studies found GI symptoms rising dose dependently from 0.2 to 0.5 g/kg, and identified four promising mitigation strategies, none of which has been compared head to head.
European Journal of Sport · Winter et al. · undefined August 2026 · PMID 42499192
In a randomized crossover of 13 physically active young men, 800 mg of nitrate from beetroot juice improved peak torque and power by roughly 3 to 4% at two of three tested speeds. Isokinetic strength, not endurance performance.
Nutrients 18(14):2377 · 31 July 2026
In 24 elite male combat athletes cutting weight before competition, a seven strain probiotic kept GI symptoms and gut barrier markers roughly stable over four weeks while the placebo group deteriorated sharply.
Frontiers in Nutrition · Wang et al. · 15 July 2026
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