Yes, these nonsteroidal sarms are molecules built from the ground up to selectively activate the androgens receptor and modulate their response to other proteins, taking dosage into account and all. They are literally built to be oral drugs.
Only certain sarms and ppar modulators are not oral, very few in fact. Sr9009 and ACE105 are the only two I can think of.
Lgd4033, rad140,yk11, mk2866, s23,s4, gw501516, mk677 are all orals. No need for a preparation, just eat the powder is fine.