Shared-meal pack planners
If tuna is going into a dish or side for several people, the useful quantity is the drained fish. Separate cans also let you open only what the meal needs.
Who is choosing a family pack?
Sauce-and-texture choosers
When tuna is mixed with seasoned rice, a dressing or another takeaway-night dish, the choice of spring water, brine or oil affects what goes into the recipe.
Label-sensitive households
Fish allergy information, salt, guidance on tuna during pregnancy and instructions for opened cans can all affect whether a particular pack suits the household.
What matters when buying?
Decide how much drained tuna the dish needs, then choose a packing liquid that works with its other ingredients. The groups below are distinguished by their main buying concern.
| Concern | What to check | Who this matters to |
|---|---|---|
| Enough tuna for the meal | Compare can count and drained weight, not just the weight printed prominently on the pack. Tesco Groceries lists 4 × 102g drained for its 4 × 145g brine pack. | If tuna is a shared side, I want enough fish without opening more cans than necessary. For roughly 45% of consumers, usable quantity is the primary concern. |
| Packing liquid | Check whether the exact variant contains spring water, brine or oil, along with its ingredients and per-100g nutrition panel. | When the dish already has a strongly flavoured sauce, I want the tuna’s packing liquid to suit it. Recipe fit comes first for about 33% of consumers. |
| Labels and leftovers | Read the fish allergen declaration, salt information and post-opening instructions. Where relevant, account for tuna eaten across the week under NHS pregnancy guidance. | Before serving tuna to my household, I need to check whether it is suitable and how to store any remainder. Around 22% of consumers put these label and handling checks first. |
What can catch you out?
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Counting packing liquid as tuna
The weight of a filled can includes its liquid. Tesco Groceries lists 4 × 102g drained tuna for its 4 × 145g brine pack, so the two figures answer different portion-planning questions.
Use the drained weight on the pack to decide how many cans to open for the shared dish.
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Swapping brine, water and oil without checking
These variants bring different ingredients to the dish. A brine-packed product can contribute salt, while an oil-packed version brings oil into a recipe that may already contain it.
Choose the packing liquid to suit the other dishes, and read the nutrition panel for that particular variant.
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Keeping leftovers in an opened can
Once a can is opened, its contents need the handling stated on the product label. Tesco and M&S product instructions specify a non-metallic container, refrigeration and use within two days.
Open only the cans needed; transfer any unused tuna to a covered non-metallic container and follow the current pack’s storage instructions.
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Overlooking who will eat the tuna
Fish allergy information matters even when tuna is only a small part of a side dish. NHS guidance also limits weekly tuna consumption for people who are pregnant or trying for a baby.
Check the pack’s allergen information and, where NHS guidance applies, consider tuna already eaten that week before planning servings.
Brands and ranges to consider
John West
John West tuna appears in four-can chunks packs and smaller No Drain formats listed by UK retailers.
- A four-can pack gives you separately sealed cans for a shared dish.
- Formats differ: Asda’s John West brine listing is 4 × 132g net, which should not be treated as the specification of another John West pack.
Princes
Princes lists 4 × 145g tuna chunks in brine; retailer listings also include spring-water and sunflower-oil multipacks.
- The separate cans allow you to open only those needed for the meal.
- Check the liquid and nutrition for the exact variant. The Princes brine pack lists 0.9g salt per 100g drained; that figure does not describe its water or oil versions.
Tesco
Tesco Groceries lists own-label four-can tuna chunks in brine and other packing liquids, alongside different can formats.
- Its 4 × 145g brine pack states 4 × 102g drained tuna, giving a specific quantity for portion planning.
- That brine product lists 1.00g salt per 100g drained; check the label rather than carrying its figures over to another variant.
Sainsbury's
Sainsbury's lists own-label 4 × 145g tuna chunks in spring water, brine and oil varieties.
- The listed liquids offer choices for different recipes within a four-can format.
- Use the individual pack’s ingredients and drained weight when choosing between those varieties.
Asda
Asda’s relevant multipack listing is a John West 4 × 132g tuna chunks product in brine.
- The individual listing gives pack-specific information for that John West product.
- Its size and formulation describe the branded product, not an Asda own-label tuna pack.
M&S
M&S lists tuna chunks in spring water as a four-pack, as well as four-pack tuna steak options.
- The chunks format offers separately sealed cans for a dish that needs only some of the pack.
- Check whether the pack is chunks or steaks and read its current label before planning portions.
Joybuy tuna multipacks
These spring-water, brine and sunflower-oil multipacks offer separate cans for a shared takeaway-night dish or side. Choose by the liquid your recipe calls for, then check the pack’s drained weight for portions.
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Morrisons Fad Free Tuna Chunks in Spring Water, 6 × 145g
The six separate cans suit a shared side when spring-water-packed tuna fits the sauce or dressing. Check the current pack’s drained weight before deciding how many cans the dish needs; tuna contains fish.
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Princes Tuna Chunks in Brine, 4 × 145g
Four separate cans suit a shared dish when brine works with the other ingredients. Princes lists 0.9g salt per 100g drained for this brine product; check the pack’s drained weight to plan portions. Contains fish.
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Princes Tuna Chunks in Sunflower Oil, 4 × 145g
This four-can pack suits a dish where sunflower oil is welcome rather than an unwanted addition. Check the drained weight for portions and the exact nutrition panel for this oil-packed variant. Contains fish.
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John West Tuna Chunks in Brine, 4 × 125g
Four 125g cans let you open portions separately when brine suits the dish. Compare the current pack’s drained weight with the amount of tuna you need; its product information notes that some bones may remain. Contains fish.
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John West Tuna Chunks in Spring Water, 4 × 125g
This four-can spring-water pack suits a dish in which the added sauce supplies the main flavour. Check its drained weight before planning a shared serving. Contains fish; follow the pack’s instructions for storing any opened tuna.
Common questions
How much tuna is left after draining a four-pack?
It depends on the product: Tesco Groceries states 4 × 102g drained tuna, or 408g across the pack, for its 4 × 145g brine chunks. Check the drained weight of the particular pack rather than applying that figure to another brand or liquid.
Should I choose tuna in brine, spring water or oil for a takeaway-night side?
Choose spring water if you want the added sauce to lead, brine if its salt suits the other ingredients, or oil if you want oil in the dish. Read the ingredients and nutrition panel for the exact variant before substituting one for another.
Do I need to check tinned tuna for allergens?
Yes. Tuna is fish, and GOV.UK identifies fish as an allergen that food businesses must declare when it is an ingredient. Read the actual pack’s allergen information before serving it to anyone with a fish allergy.
Can someone who is pregnant eat tinned tuna?
NHS guidance says that people who are pregnant or trying for a baby should have no more than four cans of tuna or two tuna steaks in a week. Consider tuna eaten in other meals that week rather than treating a multipack as one serving.
What should I do with tuna left after opening a can?
Follow the instructions on that pack. Tesco and M&S product instructions specify transferring unused tuna to a non-metallic container, refrigerating it and using it within two days.