Protein Drinks Without Artificial Sweeteners: The Label Words (Sorbitol, Sucralose, Inulin) Fitness Fans Spot First

Picture the queue at the gym café. Someone ahead of you turns a can over, squints at the back, and puts it back on the shelf. Nothing wrong with the drink, as far as you can tell. Something in the ingredients list just caught their eye. Usually it's one of three words: sorbitol, sucralose or inulin.

If you've ever gone looking for protein drinks without artificial sweeteners, you'll know the hunt is mostly a vocabulary exercise. Sweeteners, sugar alcohols and added fibres all sit on the same few lines of the label, they sound alike, and they're not the same thing. This post is a plain-English decoder. No verdicts, no shopping orders, just what the words mean and what official sources say about them.

Sweeteners: the E-number names to know

Start with the group most people mean by "artificial sweeteners". The NHS keeps a list of approved sweeteners, and it includes acesulfame K (E950), aspartame (E951), saccharin (E954), sucralose (E955) and steviol glycosides (E960). On a protein drink label they sit in the ingredients list, by name or E number.

What the NHS says about safety

It's worth reading the official wording, because the internet tends to shout. The NHS states that all approved sweeteners are considered a safe and acceptable alternative to using sugar, and that each goes through a safety assessment with a daily intake limit set. The same page also says that research into sweeteners and health is mixed, with short-term trials pointing one way and longer-term observational evidence being conflicting and limited.

So both things are true at once. Approved sweeteners are considered safe, and the science on them and long-term health hasn't settled. Whether a label-reader wants them in a drink is a matter of preference. A May 2026 survey of 2,000 UK adults commissioned by JUCED (Opinium) found that 53% of protein shake users were concerned about ingredients and artificial additives, so plenty of people clearly like to check first.

Sugar alcohols: sorbitol, xylitol and erythritol

This is the group that trips people up, because the names sound like sugar and the packaging often says "sugar free". Sugar alcohols, also called polyols, are a separate family. The NHS names sorbitol (E420), xylitol (E967) and erythritol (E968) among the approved sweeteners and describes them as polyols.

The label rule worth knowing

There's a labelling rule that makes them easy to spot. Under the food information rules, a product with more than 10% added polyols must carry the wording ‘excessive consumption may produce laxative effects’. The NHS page says the same, noting that polyols can have a laxative effect if consumed in large amounts. If you see that sentence on the back of a can or bar, that's the reason. Many label-readers treat it as a cue to look at the ingredients line more closely.

Added fibre: inulin, chicory root fibre and friends

Fibre is where the vocabulary gets friendlier and the label gets less obvious. Fibre isn't a sweetener, but protein drinks, bars and "gut health food" products sometimes add it for texture, to lift the fibre figure, or to bring a little sweetness. The names to look for are inulin, chicory root fibre or chicory root extract, and oligofructose.

For context, UK government guidance is that fibre intake should rise to 30g a day, with most adults averaging about 20g. The Scientific Advisory Committee on Nutrition (SACN) set that figure and defines dietary fibre as carbohydrates that are neither digested nor absorbed in the small intestine. The same report says fibre intakes should be achieved through a variety of food sources. That's the official backdrop. It doesn't tell you whether a drink with added fibre is for you, and this post won't either.

Bloating foods and gut health food: why these words get searched

Type "bloating foods" into a search bar and you'll find lists that name polyols and certain fibres. Wander the gut health food aisle and some of the same words appear on the front of pack as selling points. Same ingredient, opposite framing. That tension is a big reason fitness people read labels the way they do. They're not hunting for villains, they just like the information in front of them before the can is open.

This post doesn't claim any ingredient is behind how anyone feels. It's a vocabulary guide. If you've got a medical condition or a dietary requirement, a GP or registered dietitian is the right person to ask about what suits you.

Protein drinks without artificial sweeteners, and the words that sit next to them

A pocket version of the decoder, in the order most people read the back of a can:

• Sweeteners by name or E number: acesulfame K, aspartame, saccharin, sucralose, steviol glycosides.
• Sugar alcohols: sorbitol, xylitol, erythritol, plus the "laxative effects" sentence when polyols pass 10%.
• Added fibres: inulin, chicory root fibre, oligofructose.
• Sugars: total sugars versus "added sugars", which are not the same line.

That last point matters for any drink sweetened with juice. The NHS counts sugars in unsweetened fruit juice and smoothies as free sugars, so "no added sugar" and "no free sugars" are different statements. Our guide to reading a protein drink label for sugar goes through that line in detail, and the one on clean label protein drinks covers what a short ingredients list looks like. If sugar is your main concern, the round-up of low sugar high protein drinks is the one to open next.

Where JUCED sits on the label

For transparency, here's our own. JUCED Cloudy Apple & Raspberry has 15g of protein per 250ml can, from hydrolysed bovine collagen. It has no artificial sweeteners of any kind, and nothing artificial on the can. The sweetness comes from sugars derived naturally from fruit juice. Because the NHS counts juice sugars as free sugars, we wouldn't call it sugar free, and we don't.

Label words are only part of the picture

Plenty of people look beyond the ingredients line at the rest of their day too, coffee included. We've covered that separately in whether coffee can cause bloating. It's a note on label-reading habits, not a claim about causes.

The short version: spotting protein drinks without artificial sweeteners

If you want protein drinks without artificial sweeteners, you're really scanning three families of words: sweeteners with E numbers, sugar alcohols ending in "-ol", and added fibres like inulin. Official sources say approved sweeteners are considered safe and that the research on sweeteners and health is mixed, so what ends up in your basket is your call. The useful bit is knowing the words before you're stood in the queue with the can in your hand.

If you'd like to check a label with none of those words on it, you can see the JUCED label for yourself.