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Grass-Fed Butter: Is Kerrygold Really Grass-Fed? Brands, Labels & Scores

Audio from the Clean Food Score video of the same name; the video shows the labels and scores on screen.

Kerrygold says its cows eat a mostly grass diet, but in the US grass-fed butter has no federal definition. We cover what real butter is made of, how spreads sneak in oils, the seals that set real grass-fed rules (American Grassfed, PCO), organic vs grass-fed, and real butters with their Clean Food Score label scores (as of October 2026).

Full guide and the products we checked
Check any ingredient list free

Chapters
0:00 The Short Answer
0:46 What Real Butter Is
1:30 Butter, Blends and Spreads
2:14 What Grass-Fed Means for Dairy
2:56 Seals That Set Real Rules
3:48 Is Kerrygold Really Grass-Fed?
4:43 Organic Versus Grass-Fed
5:26 Does Grass-Fed Butter Taste Different?
6:12 How Our Score Treats Butter
6:46 Real Butters, Real Scores
7:36 A Ten-Second Butter Check
8:15 Your Turn

Product scores are Clean Food Score's 0–100 label scores as shown on cleanfoodscore.com on 2026-10-16. Recipes change, so read the package you buy. We read labels; this is not medical advice.

Music
"Reminiscing" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/by/4.0

"Carefree" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/by/4.0

"Almost Bliss" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/by/4.0

"Fresh Air" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/by/4.0

Sound effects: Kenney (kenney.nl), CC0.

#grassfedbutter #kerrygold #foodlabels