Dr. Muscle and Six Star products have their own characteristics, but which product is better needs to be decided according to the personal needs and preferences of users. Here are some comparisons between the two brands:

1. Origin and price: Dr. Muscle is from the United States, and the price is relatively high, while the six-star origin is made in China, and the price is relatively cheap, which is easily accepted by the public.

2. Nutritional components: Dr. Muscle's protein powder contains 85% protein, but the specific components are not mentioned. Six-star protein powder is added with lactic acid bacteria, which is friendly to people with poor digestive function.

To sum up, the products of Dr. Muscle and Six Star are different in origin, price and nutritional composition. Users can choose their own products according to their own needs and budgets, as well as their personal preferences in taste and efficacy. It is recommended to know the product ingredients and applicable people before buying, so as to make a more informed choice.