1. Tempeh
If you are looking for the most nutritious soy product, then Tempeh is the right choice which is very economical as well. With just $3.50 per serving, you can be benefited with the amount of protein that is higher than most protein source in that price range. The soy protein in tempeh lowers the cholesterol level and reduces the risk of prostate cancer. Without any doubt, this is one of the most healthy cheap protein sources.
These seven protein sources disprove the popularly held belief that you need to spend a lot of money in order to get a great body shape with faster muscle growth. Building muscle is actually cheaper than you would previously thought.
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