Who is this for?

Students looking for protein in a cupboard snack

If popcorn is going into a new room or shared kitchen, compare its declared protein per bag as well as per 100g. A product with more protein by weight can still provide a modest amount in a small snack pack.

Vegan or gluten-free popcorn shoppers

Check dietary statements before comparing protein. The Propercorn and Metcalfe’s products discussed here are listed as vegan and gluten-free; the checked Tesco product is listed as vegan. Myprotein’s compared recipe contains milk-derived whey and soya ingredients.

Students choosing individual packs for a shared flat

Small bags make the amount in one snack clear. Sainsbury’s lists 0.9g protein in each 10g Propercorn multipack bag, while Myprotein lists 3.8g in its 21g bag; compare those portions with how you plan to use the snack.

What should you check?

Start with protein per 100g to compare products on the same weight basis, then check the amount in the bag or serving you would actually eat. Ingredients, dietary statements and pack format may change which option works for your accommodation.

PriorityWhat to checkYour needs
Protein Compare declared protein per 100g and per bag. Myprotein lists 18g per 100g and 3.8g per 21g bag; Sainsbury’s lists 8.6g per 100g and 0.9g per 10g Propercorn bag. I want to know how much protein the portion I eat contributes, not just whether the product name mentions protein.
Ingredients and allergens Read the exact recipe, vegan or gluten-free statements, and any precautionary allergen wording on the physical pack. Myprotein’s compared recipe contains milk-derived whey and soya ingredients. If I need a vegan option or have an allergy, the ingredient and allergen information comes before a protein comparison.
Portion format Check the number and weight of bags in a multipack against the serving stated in the nutrition panel. Follow the pack’s storage instructions after opening. Individual bags may suit my room or a shared cupboard; a sharing bag makes more sense if I expect to split it.
Sweet or salted flavour Check sugars per 100g as well as the ingredient list. Tesco lists 22.6g sugars per 100g for its Sweet & Salted popcorn; the compared Metcalfe’s Sweet ’N Salt recipe uses sugar and sweeteners. If I want sweet popcorn, I’ll choose the flavour deliberately rather than assume a sharing bag is a protein-focused snack.

Common buying mistakes

  • Looking only at protein per 100g

    The amount in one small bag can be quite different: Sainsbury’s lists 0.9g protein in a 10g Propercorn bag, while Myprotein lists 3.8g in a 21g bag.

    Use the per-100g figures for a like-for-like weight comparison, then check the protein in the portion you expect to eat.

  • Assuming a vegan label answers every allergy question

    Propercorn retailer information includes precautionary milk wording, while the compared Myprotein recipe contains milk and soya ingredients. Vegan suitability and allergy information answer different questions.

    For an allergy decision, read the physical label on the exact product and batch rather than relying on an earlier retailer listing.

  • Choosing a sweet sharing bag mainly for protein

    Tesco Sweet & Salted lists 6.0g protein and 22.6g sugars per 100g; the compared Metcalfe’s Sweet ’N Salt product lists 8.1g protein per 100g and uses sugar and sweeteners.

    If protein is your main criterion, compare protein in your intended portion first. Review sugars and ingredients separately when choosing a sweet flavour.

Relevant brand examples

These details concern the named popcorn products, not every recipe made by each brand or what is available on Joybuy.

Myprotein

Its Sweet and Salty Protein Popcorn is the protein-focused example in this comparison.

  • Myprotein lists 18g protein per 100g and 3.8g per 21g bag.
  • The compared recipe contains milk-derived whey and soya ingredients, so it is not the vegan option here.

Propercorn

The checked Lightly Sea Salted multipack offers six individual 10g bags.

  • Sainsbury’s lists the product as vegan and gluten-free, with 8.6g protein per 100g.
  • Each 10g bag lists 0.9g protein. Check the physical pack’s precautionary allergen wording if milk is a concern.

Metcalfe’s

The checked Sweet ’N Salt 80g bag is a sweet-and-salty sharing option.

  • Tesco lists it as vegan and gluten-free, with 8.1g protein per 100g.
  • Its stated quarter-bag portion provides 1.6g protein, and the recipe uses sugar and sweeteners.

Tesco

The checked Sweet & Salted 110g bag is another vegan sharing-bag example.

  • Tesco lists 6.0g protein per 100g and 1.6g per 27g serving.
  • It also lists 22.6g sugars per 100g; check the portion and ingredients if choosing it alongside a protein goal.

Popcorn options on Joybuy

The Propercorn multipack below is an option for individual, lightly salted popcorn portions when protein is a secondary consideration.

Propercorn Lightly Sea Salted Popcorn multipack, six 10g bags

Propercorn Lightly Sea Salted Popcorn 6x10g

Six 10g bags suit individual snack portions for a room or shared cupboard. Joybuy lists 8.6g protein per 100g and 0.9g per 10g bag; the listed ingredients include wholegrain corn, rapeseed oil and sea salt. The product information includes precautionary allergen wording, so check the physical pack if milk, gluten-containing cereals or soya are concerns.

View on Joybuy

Frequently asked questions

Which compared popcorn contains more protein?

Myprotein Sweet and Salty lists 18g protein per 100g and 3.8g per 21g bag. For the other ready-to-eat products compared here, Sainsbury’s lists 8.6g per 100g for Propercorn, while Tesco lists 8.1g for Metcalfe’s and 6.0g for its own Sweet & Salted popcorn. Those figures compare protein by weight, not flavour or dietary suitability.

Is the compared Myprotein popcorn suitable for a vegan student?

No: the checked Sweet and Salty recipe contains milk-derived whey and soya ingredients. The Propercorn, Metcalfe’s and Tesco products discussed here are listed as vegan, but check the exact pack when choosing a recipe.

What should I check if I have a milk or soya allergy?

Read the physical label for the exact product and batch. The checked Myprotein recipe contains milk and soya ingredients, and Propercorn retailer information includes precautionary milk wording that differs between listings. A vegan description is not a substitute for checking allergen information.

Should I compare protein per bag or per 100g?

Use both: per 100g puts different products on the same weight basis, while per bag shows the amount in one pack. Sainsbury’s lists 8.6g per 100g but 0.9g in a 10g Propercorn bag; Myprotein lists 3.8g in a 21g bag.