很有意思，富含Betaine多是糧食穀物

Here are 12 of the best food sources of betaine:

1. Wheat Bran — 1/4 cup uncooked (about 15 grams): 200 mg (7)
2. Quinoa — About 1 cup cooked or 1/4 cup uncooked: 178 mg (8)
3. Beets — 1 cup raw: 175 mg (9)
4. Spinach — 1 cup cooked: 160 mg (10)
5. Amaranth Grain — About 1 cup cooked or 1/2 cup uncooked : 130 mg (11)
6. Rye Grain — About 1 cup cooked or 1/2 cup uncooked: 123 mg (12)
7. Kamut Wheat Grain — About 1 cup cooked or 1/2 cup uncooked: 105 mg (13)
8. Bulgar Grain — About 1 cup cooked or 1/2 cup uncooked: 76 mg (14)
9. Sweet Potato — 1 medium potato: 39 mg (15)
10. Turkey Breast — 1 breast cooked: 30 mg (16)
11. Veal (17) — 3 ounces: 29 mg
12. Beef — 3 ounces cooked: 28 mg (18)
13.