Fibre Boost Protein Bar Nutrition: Macros, Ingredients & Calories Explained
, 3 min reading time
Full ingredient list, allergen information and a per-bar nutrition breakdown for Fibre Boost cold pressed protein bars, sourced from the official packaging.
"What's actually in a Fibre Boost bar?" is one of the most common questions we get, and it deserves a straight answer rather than marketing copy. Below is the full nutrition and ingredient breakdown taken directly from the manufacturer's own packaging, using the Choc Hazelnut flavour as a reference point (exact figures shift slightly flavour to flavour depending on inclusions like nuts or cocoa — always check the pack of the specific flavour you buy).
Nutrition at a Glance (per 60g bar, Choc Hazelnut)
| Nutrient | Per serve (60g) | Per 100g |
|---|---|---|
| Energy | 679kJ (162 Cal) | 1130kJ (271 Cal) |
| Protein | 20.6g | 34.3g |
| Fat, total | 5.9g | 9.8g |
| – saturated | 1.1g | 1.8g |
| Carbohydrate | 0.6g | 0.9g |
| – sugars | 0.4g | 0.7g |
| Dietary fibre, total | 24.7g | 41.2g |
| Sodium | 48mg | 79mg |
For context on why that fibre number matters, see our high fibre protein bars guide.
Full Ingredient List
Soluble Prebiotic Fibre (Corn), Whey Protein Isolate (Milk), Milk Protein Isolate, Hazelnuts (7%), Almonds, Cocoa (2%), Cocoa Butter (2%), Natural Flavour, Sweetener (Steviol Glycosides). Chocolate and fruit flavours swap the nut and flavour components but keep the same fibre and protein base.
Allergen Information
This is the part worth reading carefully. The official ingredient panel lists the bars as containing milk, and nut-based flavours (like Choc Hazelnut) also contain almond and hazelnut, with a may-contain-traces warning for other tree nuts including peanuts.
Despite "vegan" and "dairy-free" tags appearing on some retail listings, the manufacturer's own packaging does not support either claim — whey protein isolate and milk protein isolate are both dairy-derived, and the pack is explicitly labelled as containing milk. If you need a genuinely vegan or dairy-free high-protein, high-fibre bar, this range isn't it; we've flagged this for correction on our own product listings.
Gluten is listed as "Not Detected" on the panel. That's a testing result, not a certified gluten-free claim — if you have coeliac disease, always check the current pack and consult your own dietary guidelines rather than relying on this alone.
Where the Fibre Comes From
The fibre is a soluble prebiotic fibre sourced from corn. Soluble fibre dissolves in water and forms a gel-like substance during digestion, which is generally gentler on the gut than insoluble fibre sources (like wheat bran) when introduced gradually. It's also the type of fibre most associated with feeding beneficial gut bacteria — hence "prebiotic." For more on how this fits into digestive health generally, see our gut health supplements collection.
Shop Fibre Boost Protein Bars
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How the Calories Break Down
At 162 calories per bar with 20g+ each of protein and fibre, and under 1g of carbohydrate, very little of that energy comes from carbs or sugar. That's a different calorie profile to most protein bars, where carbohydrate from oats, rice syrup or dried fruit typically makes up a meaningful share of the total.
Read Next
For the bigger-picture verdict on whether this nutrition profile adds up to a genuinely healthy snack, read are Fibre Boost protein bars actually healthy?, or head straight to the full Fibre Boost Protein Bars range to pick a flavour.
