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Letrozole is also known as Femara. Letro is 10-30x more effective than Arimidex in it's ability to pass thru the cell membrane of lipid (fat) cells and inhibit the activity of aromatize -- in other words, Letro is far superior in lowering estrogen levels in fat cells. This has two benefits for bodybuilders:
(1) Estrogen 'attracts' water, so less water retention
(2) an average male bodybuilder is around 6-10% bodyfat
That's a lot of lipid cells with aromatase inside them, so a substantial percentage of aromatase is left untouched by Arimidex, due to its poor ability to enter lipid cells. Arimidex is approximately 80% effective at inhibiting aromatase.. letrozole is around 95-97%.
Come and get some!
http://superior-research.com/shop/pr...products_id=42
LION
notes:
1. J Clin Endocrinol Metab 2000 Jul;85(7):2370-7
2. J Steroid Biochem Mol Biol 1997 Nov-Dec;63(4-6):261-7
(1) Estrogen 'attracts' water, so less water retention
(2) an average male bodybuilder is around 6-10% bodyfat
That's a lot of lipid cells with aromatase inside them, so a substantial percentage of aromatase is left untouched by Arimidex, due to its poor ability to enter lipid cells. Arimidex is approximately 80% effective at inhibiting aromatase.. letrozole is around 95-97%.
Come and get some!
http://superior-research.com/shop/pr...products_id=42
LION
notes:
1. J Clin Endocrinol Metab 2000 Jul;85(7):2370-7
2. J Steroid Biochem Mol Biol 1997 Nov-Dec;63(4-6):261-7
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