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Definition: "An ergogenic aid is any substance or phenomenon that enhances performance "
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16.02.2012 |
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Yet another animal study: goji boosts endurance capacity
In 2009 Li-qin Yao and Feng-lin Li published an article in the African Journal of Agricultural Research, reporting the results of a study in which they had given mice goji extract [1:13] mixed with their food every day for four weeks. The extract they used consisted of sugar chains.
Each day the animals were given either nothing [C], 100 mg [LD], 200 mg [MD] or 400 mg [HD] extract per kg bodyweight.
If you convert this low amount to give a conservative estimate for an adult human male weighing 90 kg, then you'd need about 900 mg per day. To obtain that amount you'd need to eat 12 g dried goji berries daily. They're available in every health food shop or supplements store.
The study does not reveal exactly what goji does in the muscles, but it looks as though the substance stimulates the burning of fatty acids and helps the muscle cells to use glucose and glycogen more sparingly.
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