Reliable Nutrition Website?

Hi guys, i am looking for a database that has a lot of nutrition profiles for grass-fed products. I’m having trouble finding consistent information regarding calorie, fat, protein content for grass-fed items like skirt steaks, tri-tip, porterhouse, ribeye. I’m ordering from US wellness meats and their nutrition facts don’t add up at all, meanwhile google is bombarding me with a wide variation of answers. Any trustworthy databases you know of? (Nutrition data has nearly no info on grass-fed.)

does it matter? Eat the food… that said, just use the nutrition profiles from grain-fed beef. It ain’t gonna be that different #s wise.

I like to be pretty specific about the macro’s and calories in my diet. This way i can find not only what works best for how i feel overall and look, but also so i can figure out more about my GI problems.