Unsalted Butter, Stick — USDA FoodData Central nutrition facts (per 100g)

| Nutrient | Amount per 100g |
| --- | --- |
| Calcium, Ca | 14 mg |
| Cholesterol | 234 mg |
| Copper, Cu | 0.001 mg |
| Iodine, I | 0 µg |
| Iron, Fe | 0.03 mg |
| Magnesium, Mg | 1.6 mg |
| Manganese, Mn | 0 mg |
| Phosphorus, P | 19 mg |
| Potassium, K | 19 mg |
| Sodium, Na | 10 mg |
| Total lipid (fat) | 81.5 g |
| Water | 17.4 g |
| Zinc, Zn | 0.07 mg |

Values are raw as published by USDA at the 100g basis — not rounded per 21 CFR 101.9(c) label-declaration rules, and 100g is USDA's publication basis, not a serving size any US nutrition label declares against.

Source: USDA FoodData Central, FDC ID 789828, usda_ff (released 2026-04-30). https://bettermenu.live/tools/ingredient-search/us/foods/unsalted-butter-stick-789828/