Κυριακή 13 Απριλίου 2025

Glycine, collagen and bladder

Sugaya K, Oh-Oka H, Yamada T, Miyata M, Ashitomi K, Kadekawa K, Nishijima S. Dietary glycine improves urine storage symptoms in urology outpatients. J Complement Integr Med. 2021 Apr 1;18(3):617-620. doi: 10.1515/jcim-2020-0282. PMID: 33793143.

Here’s an exciting and practical study you’ll want to know about — especially if you or someone you love deals with nighttime bathroom trips, urgency, or poor sleep due to bladder issues. Researchers found that taking dietary glycine — an amino acid that makes up about one-third of collagen — significantly improved urine storage symptoms in people with overactive bladder. After just four weeks of supplementing with 3 grams of glycine twice a day, participants had fewer nighttime voids, reduced urgency, improved sleep latency, lower blood pressure, and even relief from bladder pain — all with zero side effects. While the study used isolated glycine, it’s interesting to note that a 20-gram serving of collagen peptides naturally contains about 6 to 7 grams of glycine. So while we can’t say for sure if collagen will produce the same benefits, if you’ve got some lying around, it might be worth a shot — especially given glycine’s broader calming and anti-inflammatory effects. Read the study here.
Source: Max Lugavere newsletter 

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