I would take Vitargo over Karbolyn!
Been using intra/post workout for over 10 years.
Vitargo Sports Drink | Fastest Sports Drink from Mouth to Muscle
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How many gms of protein and fat per day?
Regardless of taking carbs intra/post workout.....a diet higher in complex carbs as in 400-600 grams/day will result in not only better pumps in the gym but increased muscle mass/strength, bigger fuller harder muscles, increased endurance/intensity and top it off with better recovery!
I have always eaten a diet high in complex carbs (500 grams/day), moderate protein, lower fat and made my best mass/strength gains eating this way.
Depending on ones genetics/insulin sensitivity one will find what level of carbohydrate in the diet is needed.
6 months ago I increased my carbs to 600 grams/day!