For a lower-salt starting point, Sainsbury's lists its 145g Tuna Chunks in Spring Water at 0.12g salt per 100g drained; check the current tin before choosing it. Spring water alone does not establish the salt level or suitability for someone with coeliac disease, so compare the exact nutrition panels and read the ingredients, allergen information and any precautionary statement.
Who needs which checks?
Coeliac shoppers checking labels
Check the current ingredients, highlighted cereal allergens and any precautionary statement rather than relying on the assumption that plain tuna will suit you. Coeliac UK recommends reading food labels for this information.
Regular tuna buyers comparing salt
If tuna is a frequent pantry choice, compare salt per 100g on the exact variant. A spring-water description does not tell you its salt figure.
Pantry and convenience shoppers
Multipacks and no-drain tins offer different ways to plan lunches and recipes. Check the salt figure, pack size and after-opening instructions alongside the current dietary information.
What matters when choosing?
For coeliac shopping, assess the current label before comparing otherwise suitable tins for salt and format. Compare salt figures per 100g, noting whether each figure refers to drained tuna.
| Concern | What to check | Who this matters to |
| Gluten-related labelling |
Read the current ingredient list, highlighted allergens and any precautionary statement; look for a gluten-free claim if you require one. |
When shopping with coeliac disease, I need to assess the actual tin rather than assume plain tuna is suitable. About 42% of consumers put that label check first. |
| Salt on the exact variant |
Compare salt per 100g and check whether the figures use the same drained or undrained basis. |
If reducing salt drives my choice, I need the figure for the tin I will buy, not a guess based on spring water or brine. That is the primary need for about 33% of consumers. |
| Pack size for repeat meals |
Check the number of tins, their stated weights and whether a can size fits the meals you plan. |
For a pantry used throughout the week, I want a pack format I can use without leaving unwanted portions. About 17% of consumers prioritise that planning need. |
| Preparation and portions |
Check whether draining is needed and read the after-opening storage instructions. |
When making a quick lunch, I may prefer a no-drain tin or a portion I can finish at once. Ease of preparation comes first for about 8% of consumers. |
Mistakes to avoid
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Treating spring water as a salt claim
Spring-water listings differ: Sainsbury's reports 0.12g salt per 100g drained for its 145g chunks, while the Princes 4 × 145g spring-water listing reports 0.9g per 100g drained.
Read the salt figure on the exact tin and compare products on the same per-100g basis.
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Assuming plain tuna needs no coeliac label check
Ingredients and allergen information can change. Coeliac UK advises checking highlighted cereals containing gluten and taking precautionary statements seriously.
Read the current pack's full ingredients, allergen information and any precautionary wording each time you buy.
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Choosing a larger pack without checking storage directions
A can that is not finished in one meal needs to be stored according to that product's instructions.
Choose a portion size you can use and follow the current tin's directions for refrigerating leftovers.
Brands to consider for these label checks
Sainsbury's
Its 145g Tuna Chunks in Spring Water provide a lower-salt comparison point among the named listings.
- Sainsbury's lists skipjack tuna and spring water as ingredients and 0.12g salt per 100g drained.
- Check the current pack's nutrition and allergen information before deciding whether it suits your shop.
John West
Its No Drain spring-water tuna offers a format for meals where you would rather not drain the tin.
- John West describes its No Drain Tuna Chunks in Spring Water MSC as ready to eat without draining.
- The manufacturer lists tuna, spring water and salt, with 0.8g salt per 100g; check the exact variant's label.
Princes
Its spring-water tuna chunks include a 4 × 145g multipack for repeat meals.
- The Sainsbury's listing for this Princes pack gives tuna and spring water as ingredients.
- That listing reports 0.9g salt per 100g drained, so compare it with other drained-basis figures if salt is your priority.
Tesco
Its tinned-tuna range includes brine as well as spring-water options.
- Tesco lists the ingredients and a per-100g nutrition panel for its 145g Tuna Chunks in Brine.
- That brine listing states 1.00g salt per 100g. Tesco advises shoppers to read the label because product details can change.
M&S
Its 160g Tuna Chunks in Spring Water offer another named tin whose salt figure can be checked.
- Marks & Spencer lists skipjack tuna and spring water as ingredients, with 0.75g salt per 100g.
- Check the current label and the nutrition figure's basis before comparing it with drained-weight figures.
John West tuna formats on Joybuy
These John West listings cover a spring-water multipack and a no-drain format. Compare their stated salt figures and check the current tin's allergen information before choosing.
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John West Tuna Chunks in Springwater, 4 × 125g
This multipack may suit repeat meals when you want a stated drained-basis salt figure to compare. Its listing gives 0.80g salt per 100g drained and lists tuna, spring water and salt, with fish identified as an allergen. Check the current tin for gluten-related labelling; the listing advises refrigerating unused tuna in a non-metallic container and using it within two days.
View on Joybuy
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John West No Drain Tuna Chunks in Springwater, 3 × 100g
The no-drain format may suit a quick lunch when you want less preparation. Its listing states 0.80g salt per 100g but does not identify a drained-weight basis, so check that basis before comparing it with drained figures. Check the current tin's gluten-related labelling; the listing advises refrigerating it after opening and consuming it within two days.
View on Joybuy
Questions about labels and storage
Does tinned tuna have to say gluten free?
Not necessarily, but the food category alone cannot establish suitability for someone with coeliac disease. Coeliac UK advises checking the current ingredients and allergen information; also read any precautionary statement on the exact tin.
What should I do if a tin says it may contain wheat?
Do not treat that warning as equivalent to a gluten-free claim. Coeliac UK explains that precautionary wording indicates a manufacturer-identified cross-contamination risk, so take it into account when assessing whether the product is suitable for you.
Is spring-water tuna always lower in salt than brine tuna?
No conclusion about every spring-water and brine tin follows from the packing medium. Sainsbury's lists 0.12g salt per 100g drained for its 145g spring-water chunks, while the Princes spring-water multipack listing gives 0.9g per 100g drained. Compare the exact tins on a matching nutrition basis.
How should I store tuna left in an opened tin?
Follow the directions on the exact product. The listing for John West's 4 × 125g spring-water chunks advises transferring unused tuna to a non-metallic container, refrigerating it and consuming it within two days.