Who these drinks suit

Gym-goers carrying an unopened carton

Alpro and Plenish have organic soya drinks in 1L cartons with storage instructions for unopened packs. Their listed protein figures are 3.3g and 3.2g per 100ml respectively; check the individual pack before deciding how to carry it.

Shoppers who prefer a short ingredient list

Plenish Organic Unsweetened Soya lists spring water and 8% organic soybeans. That distinction matters if you want a two-ingredient drink rather than one with added ingredients.

People planning a snack around exercise

A soya drink can be one part of a snack. University College London Hospitals NHS Foundation Trust describes carbohydrate-and-protein snacks for use before and after exercise; the food you take alongside a drink depends on your session and dietary needs.

What to check before buying

Start with how you will carry the carton, then compare its ingredient list and nutrition information with what you want from the snack.

PriorityWhat to checkYour needs
Storage Read the unopened-carton instructions and the refrigeration temperature and time limit after opening. Asda lists ambient storage before opening and use within five days after opening for Alpro; the Joybuy Plenish listing specifies a cool, dry place before opening and refrigeration at 0°C to 6°C for up to four days afterwards. I want to pack an unopened carton before leaving home, but I will need a way to refrigerate any leftovers as the label directs.
Nutrition label Compare figures on the same per-100ml basis and check the current pack. Asda lists 3.3g protein and 0g sugars for Alpro; Joybuy lists 3.2g protein and 0g sugars for Plenish. A drink that contributes protein fits my snack plans, but I do not want to assume the drink alone covers everything I need around exercise.
Snack timing Consider when you will eat and what else you will take. University College London Hospitals NHS Foundation Trust discusses carbohydrate-and-protein snacks before and after exercise; the appropriate choice varies with the activity. Before or after a session, I may want food alongside the drink rather than treating a carton as the whole snack.
Ingredients Check the organic designation and full ingredient list on the pack. The Joybuy Plenish listing names spring water and 8% organic soybeans; the Asda Alpro listing includes additional ingredients. A short recipe matters more to me than choosing between the two listed protein figures.
Allergens Check the pack’s allergen statement each time. Both drinks contain soya, and the cited Plenish listing also says it may contain nuts. If soya or nuts are relevant to me, I need the warning for the exact carton I am buying, not just its dairy-free description.

Gym-bag mistakes to avoid

  • Assuming a carton is the entire workout snack

    Alpro and Plenish list protein, but a drink alone may not match the purpose of a snack before or after a particular session. University College London Hospitals NHS Foundation Trust discusses snacks containing both carbohydrate and protein around exercise.

    Decide what food, if any, to take with the drink according to your activity and dietary needs.

  • Leaving an opened carton in the bag

    Instructions for an unopened carton do not apply once its seal is broken. The cited Alpro listing calls for refrigeration and use within five days; Plenish specifies refrigeration at 0°C to 6°C and use within four days.

    Carry the carton unopened where practical, then follow the storage instructions on the pack after opening.

  • Equating dairy-free with organic

    A plant-based or dairy-free description does not itself establish that a particular drink is organic. M&S describes fortified soya drinks, but that description alone is not an organic claim.

    Look for the organic designation and certification information on the exact pack you intend to buy.

  • Overlooking the allergen statement

    Dairy-free soya drinks still contain soya. The cited Plenish listing also carries a may-contain-nuts warning.

    Check the current pack’s allergen declaration; do not choose a soya drink if you have a soya allergy.

Brand references

These references describe particular drinks or ranges; they do not establish that every product from a brand has the same ingredients or organic status.

Alpro

Asda lists Alpro Organic Soya No Sugars as a 1L long-life drink.

  • The cited listing gives 3.3g protein and 0g sugars per 100ml and permits ambient storage before opening.
  • It contains soya and has ingredients beyond its organic soya base. Once opened, the listing specifies refrigeration at +1°C to +7°C and use within five days.

Plenish

The Joybuy listing for Plenish Organic Unsweetened Soya describes a 1L drink made with spring water and 8% organic soybeans.

  • Its listed values are 3.2g protein and 0g sugars per 100ml, with a two-ingredient recipe.
  • It contains soya and may contain nuts. After opening, the listing specifies refrigeration at 0°C to 6°C and use within four days.

M&S Plant Kitchen

M&S describes soya drinks enriched with calcium, iodine, vitamin D and vitamin B12.

  • The range is a reference point if added nutrients are a consideration.
  • Check the exact drink’s pack for an organic designation rather than assuming that its plant-based description establishes one.

Joybuy product options

This Joybuy option is an Alpro soya drink to consider for the gym-bag scenario. Check its exact pack size, variant and unopened storage instructions before relying on details from a similarly named Alpro listing.

6 Alpro Soya Drink OG product image

6 Alpro Soya Drink OG

The Joybuy description calls this organic soya drink UHT and lists 3.3g protein, 0g sugars and 0.6g fibre per 100ml. Check the exact pack’s instructions before carrying it unrefrigerated. The description says to refrigerate it after opening and use it within five days; it contains soya.

View on Joybuy

Frequently asked questions

Can I carry an organic soya drink in my gym bag?

An unopened carton can be carried according to its pack instructions: Asda lists ambient storage before opening for Alpro Organic Soya No Sugars, while the Joybuy Plenish listing specifies a cool, dry place. Once opened, both need refrigeration; check the instructions for the exact carton.

Is a soya drink enough as a gym snack on its own?

Do not assume it is the whole snack for every session. University College London Hospitals NHS Foundation Trust discusses carbohydrate-and-protein snacks before and after exercise, so consider what food to take alongside the drink according to your activity and dietary needs.

Which of the two organic drinks has fewer listed ingredients?

Plenish Organic Unsweetened Soya lists spring water and 8% organic soybeans on its Joybuy page. The cited Asda listing for Alpro Organic Soya No Sugars includes other ingredients alongside its organic soya base, including calcium, flavourings and vitamins.

How do I check whether a soya drink is organic?

Look for the organic designation and certification information on the exact pack. A description such as plant-based or dairy-free does not, by itself, establish organic status.

Are these drinks suitable for someone with a soya allergy?

No. Both shortlisted drinks contain soya, and the cited Plenish listing also says it may contain nuts. Check the allergen declaration on the current pack before buying.