Sardines are keto powerhouses: 0g net carbs per 100g, rich in omega-3s (EPA/DHA), complete protein, and convenient straight from the tin. Add a drizzle of olive oil or mayo to boost fat and you’ve got one of the most nutrient-dense, budget-friendly foods around.
Are Sardines Keto?

Sardines are keto powerhouses: 0g net carbs per 100g, rich in omega-3s (EPA/DHA), complete protein, and convenient straight from the tin. Add a drizzle of olive oil or mayo to boost fat and you’ve got one of the most nutrient-dense, budget-friendly foods around.
- Net carbs (100g)0g
- Protein (100g)25g
- Fat (100g)10g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100g (raw)
Source: USDA FoodData Central
WHY IT'S KETO-FRIENDLY
- Zero net carbs: Perfect fit for strict keto and carnivore-style days
- Convenience: Shelf-stable cans make effortless, travel-ready meals
- Omega-3 rich: High EPA/DHA supports anti-inflammatory keto lifestyles
- Strong protein (25g/100g) for satiety and muscle maintenance
- Whole-food nutrition: Edible bones add calcium and micronutrients
- Cost-effective: Typically cheaper than fresh fish and many meats
HEALTH BENEFITS
- High omega-3s (EPA/DHA) for heart, brain, and anti-inflammatory support
- Edible bones provide highly bioavailable calcium and phosphorus
- Naturally contains vitamin D for bone and immune health
- Good source of selenium for thyroid and antioxidant defense
- Provides B12 and CoQ10 to support energy metabolism and cardiac health
- May improve lipid profiles and reduce systemic inflammation
PREPARATION SUGGESTIONS
SARDINE SALAD
Drain and toss with mixed greens, avocado, cucumber, olives, and olive oil or mayo. Serve with pork rinds for crunch.
SARDINE ON CUCUMBER
Top cucumber rounds with sardines, cream cheese, lemon, and a pinch of horseradish for a bright bite.
SARDINE TOAST SUBSTITUTE
Layer on cheese crisps or keto bread with tomato and olive oil for a quick, satisfying meal.
MEDITERRANEAN PLATTER
Pair sardines with olives, cheese, hard-boiled eggs, and low-carb veggies for a no-cook snack board.
SARDINE LETTUCE WRAPS
Wrap in romaine with avocado, cream cheese, and fresh herbs for a handheld lunch.
SARDINE PATE
Blend sardines with cream cheese, lemon, and herbs for a smooth spread or dip.
WHERE TO BUY
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Wild Planet Wild Sardines in Extra Virgin Olive Oil, Lightly Smoked (Pack of 12, 4.4 oz)
These sardines pack 18g of clean protein and 1,800mg of EPA/DHA omega-3s per 3oz serving with zero carbs and a short, three-ingredient label (sardines, extra virgin olive oil, sea salt), making them a nutrient-dense, additive-free keto staple that a leading keto review roundup independently rated its top overall canned sardine pick.

King Oscar Sardines in Olive Oil, Skinless & Boneless (Pack of 12, 4.38 oz)
King Oscar's skinless and boneless brisling sardines keep to a clean three-ingredient label (sardines, olive oil, salt) with zero carbs and a mild, approachable flavor, and an independent keto sardine roundup named it its 'Best Value' pick, noting it runs roughly 30% cheaper per tin than Wild Planet while still being the #1 selling sardine brand in America.

Season Sardines in Olive Oil, Skinless & Boneless (Pack of 12, 4.37 oz)
Season's skinless and boneless sardines pack 22g of protein per tin - the highest of any major canned sardine brand - with zero carbs and no bones to pick around, and an independent keto sardine roundup singled it out as the 'workhorse tin for salads, lunch boxes, and I'm-hungry-now moments,' making it a practical everyday alternative to the pricier Wild Planet tin.