Can dogs eat Komatsuna (Japanese mustard spinach)?
Komatsuna (Japanese mustard spinach)（小松菜）
Safe to feed
A leafy green with solid calcium and iron, and less oxalate than spinach.
13 kcal per 100 g
What kind of food is this?
A brassica leafy green. Its iron is especially high among vegetables, and its calcium and vitamin A are on the high side too, at 13kcal per 100g.
Calcium is a mineral involved not only in bones and teeth but also in muscle contraction and nerve signaling. Iron relates to how red blood cells carry oxygen. Komatsuna is also known as a green with beta-carotene and lutein.
Compared with spinach, another dark leafy green, it has 170 mg of calcium per 100 g — more than three times as much (spinach has 49 mg).
When you have these care goals
Eye care — Komatsuna contains lutein and beta-carotene. One of the ingredients that comes up when thinking about eye care for senior dogs.
Nutrition
Komatsuna (per 100 g, raw)
Japan's Standard Tables of Food Composition (8th ed.)
| Energy | 13 kcal |
|---|---|
| Protein | 1.5 g |
| Fat | 0.2 g |
| Carbohydrate | 2.4 g |
| Calcium | 170 mg |
| Phosphorus | 45 mg |
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| Fiber | 1.9 g |
|---|---|
| Moisture | 94.1 g |
| Sodium | 15 mg |
| Potassium | 500 mg |
| Magnesium | 12 mg |
| Iron | 2.8 mg |
| Zinc | 0.2 mg |
| Copper | 0.06 mg |
| Iodine | 2 µg |
| Selenium | 1 µg |
| Manganese | 0.13 mg |
| Vitamin A | 260 µg |
| Vitamin D | 0 µg |
| Vitamin E | 0.9 mg |
| Vitamin B1 | 0.09 mg |
| Vitamin B12 | 0 µg |
| Vitamin C | 39 mg |
| EPA | 0 mg |
| DHA | − |
| Alpha-linolenic acid | 56 mg |
"−" means the item is not listed in the source table (it does not mean zero).
In food-energetics terms
In food-energetics terms, this is classified as "neutral" — it neither warms nor cools the body.
(Food energetics is a long-standing idea of supporting the body through everyday meals. Treat it as one extra hint alongside the nutrition numbers.)
How much for your dog?
Get daily estimates from weight and activity level.