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I have heard better arguments in scientific discourse ;-) Given that vitamin C supplementation is generally understood to inhibit some training adaptations (e.
by andor 6y ago
I have heard better arguments in scientific discourse ;-)
Given that vitamin C supplementation is generally understood to inhibit some training adaptations (e.g. reduced skeletal muscle growth), it sounds reasonable to me that it might also prevent insulin sensitivity improvements.
Insulin triggers glycogen synthesis and muscles are one of the places where this happens. Reduced muscle growth -> reduced change in glycogenesis capacity.
- mrfusion 6y agoWhat’s the deal about vitamin c and muscle growth? Can you suggest further reading? What’s the best way to take vitamin c then? Load up on off days, skip on training days? I like taking 1000mg/day for the gum health benefits and cold prevention.
- andor 6y agoI recommend searching for "vitamin c training adaptation" on Google Scholar. You'll get a few results plus a list of citations for each result (click "cited by"). The citations help to put each paper into context. The general idea is that high doses of antioxidants influence cellular pathways that are usually triggered by the presence of reactive oxygen species. The vitamin C reacts with the ROS before the body can build up a response. I'm not a coach or nutritionist, I can't give a good recommendation. I think the trend goes towards supplementing as little as possible and instead eating enough fruit and whole foods. The body is extremely complex (check out http://biochemical-pathways.com/ http://biochemical-pathways.com/), supplementing with high dosage might have consequences we don't understand yet. Personally I stopped taking vitamin C a while ago and have not noticed a difference. "Dylan Johnson" is a coach who gives science-based recommendations, he has a video on Youtube about vitamin C.