Maybe it has nothing to do with the gear. Its your diet in check? I know if I don't get my calories and especially complex carbs I feel tired and lethargic all day.
I agree .. when not getting enough carbohydrates, are more tired and weak muscles softer .. try 4g per kilogram of body weight .. but complex carbohydrates in the correct times
In addition to generating the highest ATP without carbohydrates is impossible.
and 'A.T.P. is the fuel to train well and to be strong and grow 1000%