Letrozole is a non-steroidal selective aromatase-inhibitor, and it is known as the strongest and most effective aromatase inhibitor. Letrozole prevents the enzyme aromatase from attaching to testosterone, thus preventing the production of estrogen. USP Grade. 2.5 mg/ml Each 30ml bottle contains 75 mg Letrozole. THIS PRODUCT IS FOR RESEARCH PURPOSES ONLY. THIS PRODUCT CAN BE HARMFUL IF INGESTED.
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