There is the oestrogen-choline pathway, choline is found in the connections between neurons (brain fog), the cell wall and importantly in this example, the flui

There is the oestrogen-choline pathway, choline is found in the connections between neurons (brain fog), the cell wall and importantly in this example, the fluid in the alveolar which lowers the pressure for gas exchange which increases physical performance. The body did everything right for males, by up regulating aromatise to convert the testosterone to estradiol and thus increase choline. They could have also consumed lecithin, choline bitartrate, Alpha GPC or citicoline to get their choline levels up. Manganese to increase EPO levels and hypoxia-inducible factor (HIF), but then you might be accused of doping in the Tour De'France. If they wanted to get their testosterone levels up, consume more zinc or pine nuts; to inhibit aromatase eat apple skin, rosemary and sources which are high in ursolic acid. www.alibaba.com sells the cheapest ursolic acid. Aldi's sell pine nuts, and there's plenty in of roasted pine nuts in the forests currently burning across North America.