I have insulin resistance, that's why I bought these. I's just amazing how this particular ALA gives me energy, feeling of well-being, and my cravings and continuous hunger are completely unnoticeable . I have bought Doctor's Best ALA, but nothing compares with the effect that I get with this one. ALA from Doctor's Best contains a lot of fillers that makes me feel kind of sick. I will stick to Healthy Origins from now on.