Nowadays, more and more people use steroids for weight loss. The best weight loss steroids you can find at Landmarkchem are Oxandrolone (Anavar) and Stanozolol (Winstrol). What steroid is the best for losing a belly fat? or What are the best steroids for weight loss ? We can say Anavar is one of the best steroids for weight loss by far. Anavar steroid has the ability to increase your performance whereas it will burn the fat in your body, and Winstrol also has the same benefits.