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Lowest Calorie Protein Shake

I was wondering what is the lowest calorie protein power on the market? So far the lowest I have seen are around 100 cal but then only have some where a round 18 g of protein and that almost seems not to be worth it. I notice sure and the whey protein on this site are both around 300 cals and metrx is around the same. So is there a high protein low cal shake out there?
Thanks alot

single serving of Metabolic Drive is 100 or 110 cals for 20grams or protien.

Ummm…you do know each gram of protein contains 4 calories right?

[quote]analog_kid wrote:
Ummm…you do know each gram of protein contains 4 calories right? [/quote]

EACH ONE OR IS THAT AN AVERAGE?? lmao (kidding of course)

[quote]matathedestroyer wrote:
analog_kid wrote:
Ummm…you do know each gram of protein contains 4 calories right?

EACH ONE OR IS THAT AN AVERAGE?? lmao (kidding of course)[/quote]

Well, I heard trans-proteins have two more amino acids than other proteins so that might affect it’s total caloricatations, but those others ones only gots 4 per gram. But trans-proteins are only found in horse meat so you should be ok.