40/30/30

I actually had to change my macros in order to stay under. I eat a lot of carbs compared to some. But my body doesn't seem to care, since I'm still losing. I would experiment with changing your macros and see what works with your body.

Is this essentially a normal diet as supposed to a low-carb one just wondering what are people's experiences with it i'm finding it difficult to stay within the carb limit some days...eating too many?

S.A.D (Standard American Diet) is closer to 60% of Calories from Carbs, 15% from protein, and the rest (25%) from fat.
40/30/30 is the ratio promoted by the zone diet, and some lump it in as a high protein diet. Personally, I consider it a lower carb diet, but not a low carb diet.
There's nothing magical about the ratio that I can tell, however.