Choose a dark chocolate digestive by its per-biscuit nutrition and declared cocoa solids, rather than the word “dark” alone. For a snack 60–90 minutes before exercise, compare the portion’s carbohydrate and fat with what you intend to eat; University College London Hospitals NHS Foundation Trust advises carbohydrate and minimal fat at that point. If you are eating just 15–30 minutes before exercise, its guidance instead points to faster-acting carbohydrate.
A measured biscuit portion gives you a way to check carbohydrate alongside fat. If you are eating 60–90 minutes before exercise, compare it with University College London Hospitals NHS Foundation Trust’s guidance to include carbohydrate and keep fat minimal.
If cocoa content matters to you, look for a cocoa-solids percentage rather than relying on “dark” in the name. Sainsbury’s states a minimum of 35% cocoa solids in the dark chocolate used for its 300g digestives; that figure does not describe the whole biscuit.
Biscuit size and per-biscuit nutrition differ across the Sainsbury’s, McVitie’s and M&S listings. Compare the number you plan to eat, not just the figures per 100g.
Start with when you will eat, then compare the intended portion, cocoa declaration and current ingredient label.
| Priority | What to check | Your needs |
|---|---|---|
| Snack timing | University College London Hospitals NHS Foundation Trust advises carbohydrate, protein and minimal fat for snacks 60–90 minutes before exercise; for 15–30 minutes beforehand, it describes faster-acting carbohydrate. | I’m eating shortly before training, so I need to decide whether a chocolate-coated biscuit fits the timing or whether another carbohydrate snack makes more sense. |
| Portion nutrition | Compare carbohydrate, fat and saturates for the number of biscuits you intend to eat. Sainsbury’s lists 10.1g carbohydrate and 3.7g fat per biscuit; Ocado lists 10.2g and 4.1g for McVitie’s, and 11.0g and 4.2g for M&S. | A single biscuit may be my planned portion, or I may eat more than one. I want the nutrition figures to reflect that actual serving. |
| Cocoa disclosure | Sainsbury’s states at least 35% cocoa solids in the dark chocolate of its 300g digestives. A percentage of the biscuit made up of chocolate is a different measure; check the pack for an explicit cocoa-solids figure. | “Dark” alone does not give me the cocoa figure I’m looking for. |
| Ingredients and allergens | Read the current packet’s ingredient and allergen statements. Tesco cautions that reformulation can change ingredients and nutrition information shown online. | If I avoid a particular ingredient, I need to check the packet I will actually eat. |
The amount of chocolate in a biscuit and the cocoa-solids content of that chocolate are different measurements. Sainsbury’s states a 35% minimum for its dark chocolate; a chocolate-ingredient percentage alone would not answer the same question.
If a stated cocoa level matters, check which ingredient the percentage describes.
The Sainsbury’s, McVitie’s and M&S biscuits in the cited listings contain 3.7g, 4.1g and 4.2g fat per biscuit respectively. University College London Hospitals NHS Foundation Trust advises minimal fat for a snack 60–90 minutes before exercise and faster-acting carbohydrate 15–30 minutes beforehand.
Check the fat in your intended portion, particularly if you are eating close to the session.
Per-100g information puts products on the same weight basis, but it does not show what your chosen number of biscuits provides.
Use the packet’s per-biscuit or per-serving figures alongside the portion you plan to eat.
Ingredients can change with reformulation, as Tesco cautions in its product information. That matters when you need to avoid an allergen.
Read the allergen statement on the current packet before eating.
Compare the particular biscuit and serving size, rather than assuming one brand’s figures apply to every pack it makes.
Its 300g Dark Chocolate Digestives listing provides both a cocoa-solids declaration for the chocolate and per-biscuit nutrition.
The dark chocolate digestive in Ocado’s listing has a stated 16.7g biscuit serving.
The dark chocolate digestive in Ocado’s listing has a stated 17.8g biscuit serving.
These two McVitie’s dark chocolate digestive pack sizes are options if you are considering a measured biscuit snack before training. Check the nutrition and cocoa declarations on the specific pack you choose.
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For a planned biscuit portion before training, use this pack’s label to check carbohydrate and fat for the number you will eat. The twin pack contains 2 x 266g; check its own cocoa-solids and allergen declarations if either affects your choice.
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This 400g pack offers the same type of biscuit snack in a different pack size. Check carbohydrate and fat for your intended serving, and look for a cocoa-solids figure on this pack if it is a purchase requirement.
It can be a measured biscuit snack if its serving and timing suit your plans, but it is not a minimal-fat option. University College London Hospitals NHS Foundation Trust advises carbohydrate, protein and minimal fat for snacks 60–90 minutes before exercise; the Sainsbury’s, McVitie’s and M&S listings cited here show around 10–11g carbohydrate and 3.7–4.2g fat per biscuit.
For a snack 15–30 minutes before exercise, University College London Hospitals NHS Foundation Trust describes faster-acting carbohydrate as the usual choice. Check whether a chocolate-coated digestive’s fat content and serving fit what you want at that time, rather than choosing it solely for its carbohydrate.
Sainsbury’s states that the dark chocolate in its 300g Dark Chocolate Digestives contains at least 35% cocoa solids. That percentage refers to the chocolate, not the whole biscuit; a percentage showing how much of another biscuit is chocolate measures something different.
Read the allergen statement on the physical packet you intend to eat. Tesco cautions that ingredients can change with reformulation, so an online listing should not replace the current pack when an ingredient affects your choice.