The Law of Moses cannot do this, because our selfish desires make the Law weak. But God set you free when he sent his own Son to be like us sinners and to be a sacrifice for our sin. God used Christ's body to condemn sin.
As the saying goes, “Exercise is good for your body, but religion helps you in every way. It promises life now and for ever.” These words are worthwhile and should not be forgotten.
Don't be fooled by any kind of strange teachings. It is better to receive strength from God's undeserved kindness than to depend on certain foods. After all, these foods don't really help the people who eat them.