This 2017 New Zealand human research studied the effect of one supplement on recovery from exercise-induced muscle damage:
“Eccentric exercise is known to bring about microstructural damage to muscle, initiating an inflammatory cascade involving various reactive oxygen species. This, in turn, can significantly impair physical performance over subsequent days. Taurine, a powerful endogenous antioxidant, has previously been shown to have a beneficial effect on muscle damage markers and recovery when taken for a few days to several weeks prior to eccentric exercise.
The amount of powder was set at 0.1 g∙kg−1 body weight∙day−1, based on several studies that found no adverse effects at levels of up to 10 g∙day. No participant was at a body weight that resulted in consuming more than 10 g∙day.
Supplementation with taurine twice daily for 72 h following eccentric exercise-induced muscle damage may improve eccentric performance recovery of the biceps brachii in healthy males.”
My main takeaway from the study came from this finding:
“Our results show that neither treatment group fully recovered force output by 72 h.”
I was surprised to see that even three days wasn’t enough time for a muscle to fully recover. And the study’s subjects were young males:
“Age = 26.5 ± 6.5 years, height = 180 ± 9.2 cm, mass = 80 ± 11.5 kg. All participants were recreationally fit, engaging in exercise 2–3 times per week.”
This gave me pause to reflect on how inattention to cumulative strain may have produced repetitive stress injuries. I’ve adjusted my workout routines accordingly.
The study listed a number of limitations. An unstated one was that nobody should take supplements in quantities that are many times greater than normal dosages without being informed by quality human experimental evidence.
http://www.mdpi.com/2076-3921/6/4/79/htm “The Effect of Taurine on the Recovery from Eccentric Exercise-Induced Muscle Damage in Males”
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