GOatein is highly absorbable and most resembles the human milk amino acid profile. But it tastes pretty bitter
rice protein is just sucky I tried it!
Your best bet is either take a liquid free from complete amino acid supp with a bunch of added bcaas, with your pwo and take not protein shakes as meal replacements.
Or try switching BRANDS!what brand were you using? was it lactose free? If you cant handle Biotest , BEVERLY internationals muscle provider is very very clean protein and lactose free.