Fish 17alpha, 20beta dihydroxy
https://www.antdr.org/shop/544-mbs2602842-fish-17alpha-20beta-dihydroxy-14407
https://www.antdr.org/web/image/product.template/14407/image_1920?unique=bff3db2
This 20beta is guaranteed a 17alpha, with the use of dihydroxy and directly supplied to your lab by Gentaur's warehouse.
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Shipping: 2-3 Business Days