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Similarly, in ultra-endurance (Ironman) competitors, vitamin C or E supplementation prior to racing significantly elevated markers of oxidative stress and showed significant decreases in antioxidant enzyme activity post- race, compared with no supplementation [58]
Evidence tier by reported use The single most useful way to read this pair is not which peptide is stronger but which specific use has which tier of evidence. The table below maps each commonly discussed use to its strongest available evidence and an honest interpretation
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R., & Clancy, S
The right comparison depends on what the protocol is built around
The American Journal of Cardiology
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