EIC
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As I understand it, the whole gist of Toco 8 is that it is tocotrienols that have numerous beneficial effects compared to the d-alpha-tocopherol that is normally pushed as vitamin E.
It looks like the write-up on Toco 8 cites three different studies for the proposition that "[t]he specific ratio of vitamin E's in Toco-8 . . . [h]elp[] support testosterone production by maintaining optimum pituitary & testicular function."
But in one of those studies, "Effect of Vitamin E on Function of Pituitary-Gonadal Axis in Male Rats and Human Subject," the treatment which resulted in the beneficial effects on testosterone secretion was a certain amount of dl-alpha-tocopherol.
I can't seem to find the other two studies (one is in Japanese?), but they are from the 1970s, so I doubt they were using anything other than d- or dl-alpha-tocopherol.
All of this makes me wonder if there are any studies showing whether the mixture of tocotrienols in Toco 8 has the same or better effect as claimed. It also makes me wonder if vitamin E's effects are dose dependent, and if so, whether Toco 8 provides the required dose.
I guess what I'm saying is that we are being led to believe that tocotrienols have beneficial effects on testosterone production based on studies which used d- or dl-alpha tocopherol, the very thing that is said to be inferior to Toco 8.
It looks like the write-up on Toco 8 cites three different studies for the proposition that "[t]he specific ratio of vitamin E's in Toco-8 . . . [h]elp[] support testosterone production by maintaining optimum pituitary & testicular function."
But in one of those studies, "Effect of Vitamin E on Function of Pituitary-Gonadal Axis in Male Rats and Human Subject," the treatment which resulted in the beneficial effects on testosterone secretion was a certain amount of dl-alpha-tocopherol.
I can't seem to find the other two studies (one is in Japanese?), but they are from the 1970s, so I doubt they were using anything other than d- or dl-alpha-tocopherol.
All of this makes me wonder if there are any studies showing whether the mixture of tocotrienols in Toco 8 has the same or better effect as claimed. It also makes me wonder if vitamin E's effects are dose dependent, and if so, whether Toco 8 provides the required dose.
I guess what I'm saying is that we are being led to believe that tocotrienols have beneficial effects on testosterone production based on studies which used d- or dl-alpha tocopherol, the very thing that is said to be inferior to Toco 8.