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No I am sure you havent reduced your testosterone. Apparently the study was on 7 grams. You ate about 1/14 that amount. Even if you ate 7 g, the study clearly indicates that the testosterone recovers to a normal level within a week, so it should really have no effect at all. No worries.
ok I see that now. Its 450 g. And no it does not work that way. Just because the study shows that recovery after 7 grams occurs in 4 days, does not mean it takes 256 days to recover after 450 grams. Nobody has proven any dose related recovery rate. In fact it could be that the recovery is exactly the same. It is not as simple as "just doing the math" Someone would actually need to do a study that says that the recovery rate is a linear relationship. There is no biological reason why it would be. Its likely that the recovery rate is 4 days no matter how much you eat. If you are worried, ask your Dr to get a level done, I bet its normal