For a late-night snack, compare protein per individual bar alongside portion size, fibre, sugars and allergens rather than relying on the word ‘protein’ on the front of the pack. TREK states 15g protein for its High Protein Bars, while Nature Valley Peanut & Chocolate provides around 10g in a 40g bar. If you have gastro-oesophageal reflux disease (GORD), eating close to bedtime may conflict with Cambridge University Hospitals’ advice to avoid late-night eating.
If protein quantity is your main filter, compare the serving you will actually eat. TREK distinguishes its 15g High Protein Bars from its 9g Protein Flapjacks; Nature Valley UK describes around 10g protein per 40g Peanut & Chocolate bar.
Nature Valley’s 40g Peanut & Chocolate bar offers around 4g fibre as well as around 10g protein, according to Nature Valley UK. Read the rest of the nutrition panel too if the bar will be an additional evening snack.
For adults with GORD, Cambridge University Hospitals advises avoiding late-night eating and ideally having the evening meal three to four hours before bed. That timing matters more than a bar’s protein wording when deciding whether to eat immediately before bed.
Start with the protein in one bar, then check the whole serving and whether its ingredients and timing suit you.
| Priority | What to check | Your needs |
|---|---|---|
| Protein per bar | Read grams per individual bar, not just the range name. TREK states 9g for its Protein Flapjacks and 15g for its High Protein Bars; check the exact flavour’s pack. | I want to know how much protein is in the bar I will eat, rather than assuming every oat bar has the same amount. |
| Nutrition label | Compare the eaten portion’s energy, sugars, saturates, salt and fibre as well as protein. Check whether figures are given per bar or per 100g. | I want to read the label for the whole snack; in the Food Standards Agency and Ipsos Northern Ireland’s 2024 survey of 611 people, 49% of respondents said they actively used traffic-light labelling when shopping for food, not specifically for cereal bars. |
| Ingredients | Read the exact flavour’s ingredient and allergen statements, including any ‘may contain’ wording. Do not transfer a declaration from another flavour. | If I need to avoid an ingredient, the particular bar and pack matter more than a brand-wide description. |
| Eating time | Consider when you plan to eat. Cambridge University Hospitals advises adults with GORD to avoid eating late at night; chocolate and rich or fatty foods may worsen symptoms for some people. | If reflux affects my evenings, I need to consider the timing and ingredients before choosing a pre-bed snack. |
TREK states 9g protein for its Protein Flapjacks and 15g for its High Protein Bars. A flapjack’s name or texture does not establish its protein per serving.
Compare the protein declaration for the individual bar before treating an oat bar and a dedicated protein bar as alternatives.
Nature Valley’s Peanut & Chocolate bar also has fibre, sugars and saturated fat on its nutrition panel. The protein figure alone does not describe the whole 40g serving.
Read the per-bar figures for the nutrients you want to compare, especially if this will be an extra evening snack.
Cambridge University Hospitals advises people with GORD to avoid late-night eating; chocolate and rich or fatty foods may worsen symptoms for some.
If reflux affects you, consider that advice before making a bar an immediately pre-bed snack.
TREK distinguishes its plant-based Protein Flapjacks from its High Protein Bars.
Its UK Protein range includes a 40g Peanut & Chocolate bar.
Graze offers Oat Boost flapjacks for shoppers considering an oat-bar format.
Tesco Groceries lists Eat Natural Maple Syrup, Pecans & Peanuts bars in its protein-bar category as a 3 × 40g pack.
Kellogg’s UK presents Special K bars within its cereal and snack range.
These options include portioned Nature Valley Protein bars and multipacks of Grenade Soft Core Protein Bars. Compare the individual bar, not the multipack, when choosing an evening snack.
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For a portioned evening snack, Nature Valley UK describes around 10g protein and 4g fibre per 40g Peanut & Chocolate bar. This product contains peanuts, soya and milk; read the pack’s full allergen statement.
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This is another four-pack of individually sized 40g bars. Compare this flavour’s own protein, fibre and allergen information rather than applying the Peanut & Chocolate figures to it.
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Each bar in this Double Chocolate multipack is 50g. Check its per-bar nutrition and ingredients if you are comparing it with a 40g cereal bar; chocolate may be a trigger for some people with GORD, according to Cambridge University Hospitals.
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The Golden Caramel variant comes as twelve 50g bars. Read this flavour’s per-bar protein and full nutrition panel before comparing it with a smaller evening snack, and check its own ingredient statement.
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This Peanut Butter variant comes as twelve 50g bars. Check the exact pack’s protein per bar and allergen statement before choosing it; the flavour name alone is not a complete ingredient declaration.
No. Read the protein figure for the individual bar you will eat. TREK, for example, states 9g for its Protein Flapjacks and 15g for its High Protein Bars, so even bars from one brand can differ.
If you have GORD, Cambridge University Hospitals advises avoiding late-night eating and ideally having the evening meal three to four hours before bed. Chocolate and rich or fatty foods may also worsen symptoms for some people; a protein label does not remove those considerations.
Read the ingredient and allergen statements on the exact flavour and pack. The Joybuy product information for Nature Valley Protein Peanut & Chocolate lists peanuts, soya and milk and says it may contain nuts; do not assume another flavour has the same declaration.
Follow the instructions on the pack. The Nature Valley product information advises storing its bars in a cool, dry place and retaining the individual wrappers after opening the multipack until the bars are eaten.