Which vegetables are high in sodium?

Vegetables High in Sodium

Fresh vegetables are naturally very low in sodium (typically 2-30 mg per 100g), but canned vegetables contain dramatically higher sodium levels (127-317 mg per 100g) due to added salt as a preservative 1, 2.

Fresh Vegetables: Naturally Low Sodium

When consumed fresh, frozen without added salt, or canned without added sodium, vegetables are among the lowest sodium foods available:

• Green beans: 2.2 mg/100g (fresh) 2
• Corn: Low baseline sodium (fresh)
• Spinach, kale, broccoli, carrots, peppers: All naturally low in sodium 1, 3
• Green peas: 31.8 mg/100g (highest among fresh vegetables tested, but still very low) 2

Guidelines consistently recommend consuming 3+ servings of vegetables daily, emphasizing fresh, frozen without added salt, or low-sodium canned options 1, 3.

The Canned Vegetable Problem

The sodium content increases dramatically when vegetables are canned with salt:

• Canned green peas: 317.3 mg/100g (10x higher than fresh) 2
• Canned corn: Significantly elevated sodium
• Canned green beans: Elevated sodium
• Canned tomatoes: 127.4 mg/100g (lowest among canned, but still elevated) 2

Critical Mitigation Strategy

Rinse canned vegetables under water before use to reduce sodium content by approximately 40% 3, 4. This simple step makes regular canned vegetables more suitable for sodium-restricted diets.

Vegetables to Minimize

Starchy vegetables, particularly russet and white potatoes, should be minimized—not because of sodium content, but due to their impact on cardiometabolic health 1. The guidelines specifically call out these vegetables for limitation.

Practical Recommendations

For sodium restriction (target ≤2000-2300 mg/day) 1, 3:

1. Choose fresh or frozen vegetables without added salt as your primary vegetable source
2. If using canned vegetables: Select "no salt added" or "low sodium" versions, or rinse regular canned vegetables thoroughly before cooking
3. Avoid vegetables prepared with added salt, sauces, or in brine
4. Read nutrition labels: Compare sodium content between brands and choose the lowest available 3

The Kimchi and Pickled Vegetable Exception

Fermented and pickled vegetables (kimchi, pickles, olives) are high in sodium due to salt used in preservation 5, 6. These should be limited or rinsed before consumption if following sodium restriction.

Bottom line: No fresh vegetables are "high" in sodium—the sodium problem comes entirely from processing and added salt during canning or preservation 2, 7.