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M&S Food Sardines in Tomato Sauce: Ingredients Reviewed

M&S Food Sardines in Tomato Sauce is a convenient, nutrient-dense pantry staple frequently scanned by health-conscious shoppers. People often verify this product to ensure the quality of the fish and the purity of the sauce. Our analysis confirms that this choice is an outstanding source of essential fats and protein with minimal processing.

Updated August 11, 2026Product analysis

Health score

Excellent

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/ 100
PoorExcellent

Verdict: healthy

M&S Food Sardines in Tomato Sauce earns an excellent health score of 85/100 due to its high-quality protein and omega-3 content. It is a nutritious, sustainably sourced option that aligns with clean eating habits.

Key takeaways

  • Provides 18g of high-quality protein per 100g serving
  • Rich source of heart-healthy omega-3 fatty acids
  • MSC-certified sustainable fishing practices utilized
  • Contains only 3.5g of carbohydrates and 2.5g of sugar
  • Low mercury content compared to predatory fish species

Our read on this product

Each 100g serving of M&S Food Sardines in Tomato Sauce provides 18g of high-quality protein and a significant dose of omega-3 fatty acids, which are essential for heart health. With only 157 kcal and 350mg of sodium, it is nutritionally superior to many processed snacks. The inclusion of lycopene from the tomato concentrate offers antioxidant benefits without excessive fat.

Best for

This product is an excellent choice for individuals looking to increase their daily protein intake while supporting heart health and brain function.

Approach with care

Individuals with specific fish allergies or those requiring a strictly low-sodium diet due to hypertension should exercise caution.

Ingredient breakdown

Good ingredients

Sardines: Good
Tomato Sauce: Good
Good

Sardines

Sardines are small, oily fish rich in omega-3 fatty acids and high-quality protein. They provide essential vitamins like B12 and D while being low in mercury compared to larger predatory fish.

Good

Tomato Sauce

Typically consisting of tomato concentrate, water, and salt, this sauce adds flavor and provides lycopene, a potent antioxidant. It is generally a healthy, low-fat accompaniment to the fish.

Nutrition facts

Values shown per 100g

Energy

157 kcal

Protein

18g

Carbs

3.5g

Fat

8g

Fiber

0.5g

Sugar

2.5g

low

Sodium

350mg

medium

Saturated fat

1.5g

medium

Fiber

0.5g

low

How it scores against your goal

Mood Effect

A
B
C
D
E

Omega-3 fatty acids are well-documented for their positive impact on cognitive function and mood regulation.

Muscle Gain

A
B
C
D
E

With 18g of protein per 100g, it provides a high-quality amino acid profile necessary for muscle repair.

Weight Loss

A
B
C
D
E

High protein content and low calorie density make it an excellent choice for satiety during weight loss.

Flu Recovery

A
B
C
D
E

The antioxidants in the tomato sauce and the immune-supporting fish oils aid in viral recovery.

Fever Recovery

A
B
C
D
E

Easy-to-digest protein helps maintain body strength during illness recovery.

Pcos Management

A
B
C
D
E

Rich in anti-inflammatory omega-3 fats which help improve insulin sensitivity for those with PCOS.

Diabetes Management

A
B
C
D
E

The low carbohydrate and low sugar content result in a negligible glycemic impact.

Myth busters

Not supported

Sardines are high in mercury

Sardines are small, low-trophic-level fish, making them significantly lower in mercury than large predatory fish like tuna.

Supported

Provides a high amount of protein

Each 100g serving delivers 18g of protein, which is an excellent amount for a healthy, lean meal.

Not supported

The tomato sauce is just hidden sugar

With only 2.5g of sugar per 100g, the sauce contains minimal sugar and provides beneficial antioxidants.

Frequently asked questions

Is M&S Food Sardines in Tomato Sauce considered healthy?

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M&S Food Sardines in Tomato Sauce is considered very healthy because it is rich in essential omega-3 fatty acids and protein while remaining low in calories and fat.

What is the main concern with M&S Food Sardines in Tomato Sauce?

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M&S Food Sardines in Tomato Sauce contains 350mg of sodium per 100g, which may be a concern for individuals strictly monitoring their daily salt intake.

What is the key ingredient in M&S Food Sardines in Tomato Sauce?

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M&S Food Sardines in Tomato Sauce features sustainably sourced sardines as the primary ingredient, providing high-quality protein and vital B12 vitamins.

Does M&S Food Sardines in Tomato Sauce fit a weight-loss diet?

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M&S Food Sardines in Tomato Sauce fits a weight-loss diet well due to its high protein density and satiety factor at only 157 calories per 100g.

Is there a better alternative to M&S Food Sardines in Tomato Sauce?

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M&S Food Sardines in Tomato Sauce is already a high-scoring choice, but for those needing lower sodium, options packed in water without added salt are available.