Last updated: November 2026
The best instant hot chocolate depends on how you make it and how much sugar you want. On UK labels we checked in November 2026, add-water mixes ranged from 2.7g to 17g of sugar a mug. For a vegan, lightly sweet option, Evopure’s Reishi Cacao has 0.5g reishi and 0.5g maca per 8g serving.
Our pick
Reishi Mushroom Adaptogenic Complex
Reishi Cacao (Reishi Mushroom Adaptogenic Complex) is an instant hot chocolate you stir into warm milk, plant milk or water. Each 8g serving (2 teaspoons) has 0.5g reishi mushroom, 0.5g maca root and 0.3g cinnamon, with cocoa, coconut sugar and stevia. The pack gives about 26kcal per serving before milk. It contains a little natural caffeine from the cocoa.
Add Reishi Cacao to bag See ingredients and reviews
Vegan and made in the UK, about 30 mugs a pouch. Subscribe and save 25% on your first order, then 20%. New to Evopure? Join our emails for 20% off a one-off first order. Free UK delivery over £45.
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View productWhat is the best instant hot chocolate in the UK?
The best instant hot chocolate is the one that matches how you drink it. Add-water mixes such as Cadbury, Galaxy and Aero contain milk powder and give 97 to 112kcal a mug. Light mixes such as Cadbury Highlights and Options give about 40kcal, with sweeteners. Granules such as Green & Black’s are made with hot milk.
So decide whether you want to just add water, how much sugar suits you, and whether it must be vegan or free from sweeteners. The tables below answer all three. We don’t rate or rank other brands, and Evopure isn’t connected with any of them. Ours is a vegan reishi and cacao blend you make with your own milk; for more blends like it, see our mushroom hot chocolate guide.
UK instant hot chocolates compared
Per-mug figures from each nutrition panel as listed on Ocado, checked 9 November 2026 (ours from our pack). Serving sizes differ, so each row gives the basis.
| Product | Made with | Sugar per serving | kcal per serving |
|---|---|---|---|
| Evopure Reishi Cacao | 8g in warm milk, plant milk or water | Not stated on our pack: coconut sugar and stevia | About 26kcal before milk |
| Cadbury Instant Hot Chocolate | 28g in 200ml hot water | 17g | 112kcal |
| Galaxy Instant Hot Chocolate | 25g in 200ml hot water | 16g | 99kcal |
| Aero Instant Hot Chocolate | 24g in 200ml hot water | 13.1g | 97kcal |
| Options Belgian Hot Chocolate | 11g in 200ml hot water | 5.7g | 40kcal |
| Cadbury Highlights | 3 heaped tsp in 200ml hot water | 2.7g | 38kcal |
| Green & Black’s Organic Hot Chocolate | 4 tsp in 250ml hot semi-skimmed milk | 23g, including the milk’s own sugar | 189kcal including the milk |
The light mixes cut sugar with sweeteners, and every add-water mix here contains milk. What’s inside, from the same labels:
| Product | Cocoa on the label | Milk | Sweeteners |
|---|---|---|---|
| Evopure Reishi Cacao | Cocoa is the first ingredient | None (vegan) | Stevia |
| Cadbury Instant | 15% fat-reduced cocoa | Yes | None listed |
| Galaxy Instant | 10% fat-reduced cocoa | Yes (also soya) | Sucralose |
| Aero Instant | Drinking chocolate 45% (25% cocoa) | Yes | None listed |
| Options Belgian | 21% cocoa, 7% Belgian chocolate | Yes | Acesulfame K, sucralose |
| Cadbury Highlights | 34% fat-reduced cocoa | Yes | Acesulfame K, sucralose |
| Green & Black’s Organic | 31% cocoa, 11% chocolate | “May contain” | None listed |
How to choose an instant hot chocolate
- Just add water, or add milk? “Instant” usually means milk powder is already in the mix, so hot water is enough. Granules like Green & Black’s are made with hot milk. Our cocoa powder vs hot chocolate powder guide explains the difference.
- Sugar per mug, not per 100g. Per-100g figures look alike (52g to 63g of sugar for most of these mixes), but scoop sizes run from about 11g to 28g, so compare the per-serving line.
- Sweeteners. Light mixes use acesulfame K and sucralose. To avoid them, pick a mix with none listed, or read our sugar-free hot chocolate guide.
- Cocoa content. More cocoa means a darker, less sweet taste: these labels range from 10% to 34%.
- Vegan or dairy-free. Most add-water mixes contain milk. A vegan mix needs plant milk or water; see dairy-free hot chocolate.
- Caffeine. All hot chocolate has a little from the cocoa, far less than tea or coffee. Our guide to caffeine in hot chocolate gives the figures per mug.
Our pick for a vegan instant hot chocolate is our own Reishi Cacao: cocoa powder, coconut sugar, reishi mushroom, maca root, cinnamon and stevia, with 0.5g reishi, 0.5g maca and 0.3g cinnamon per 8g serving. It is vegan and made in the UK, but not lab tested (our lab testing covers CBD products only). Reishi and maca have no authorised health claims, so we sell it simply as a hot chocolate. More on the ingredients in reishi cacao benefits.
Some people pair it with the Magnesium Glycinate Sleep Complex, a berry drink with 290mg magnesium (77% NRV) per 4.75g serving; magnesium contributes to a reduction of tiredness and fatigue. Others add Sleep CBD Oil: 10mg of CBD is about 0.2ml of the 500mg (0.1ml of the 1,000mg). Adults only.
The FSA’s 10mg a day figure is precautionary advice rather than a legal limit, set while longer-term safety research continues. At Evopure we think it is a very cautious figure, and many adults use more. If you go above it, increase slowly, and check with your GP or pharmacist first if you take any medication.
Which instant hot chocolate has the least sugar?
Of the UK mixes we checked, Cadbury Highlights had the least sugar at 2.7g a mug, then Options Belgian at 5.7g, both made with water and both using sweeteners. Full-sugar instants gave 13.1g to 17g a mug. The NHS says adults should have no more than 30g of free sugars a day.
One Cadbury Instant mug has 17g of sugar, more than half that figure, though some of it comes from the milk powder. Sugar naturally in milk doesn’t count as free sugar. A “low sugar” claim on a drink means no more than 2.5g of sugar per 100ml, under the UK nutrition claims rules.
For a less sweet homemade mug, try our healthy hot chocolate recipe.
Water or milk: which is better?
For an instant mix, follow the label: it already contains milk powder and is designed for hot water. Making it with milk instead gives a creamier mug but adds about 90kcal and 9g of milk sugar per 200ml of semi-skimmed milk (typical UK labels: 46kcal and 4.7g sugars per 100ml). Many people use half water, half milk.
Our Reishi Cacao has no milk powder, so it tastes best with warm milk or oat milk, or with water if you prefer it lighter.
How to make instant hot chocolate taste better
- Mix the powder to a paste with a splash of hot liquid first, then stir in the rest.
- Use water just off the boil, as several labels suggest.
- Add a pinch of sea salt or cinnamon for a richer taste without more sugar.
- Froth it, or top with grated dark chocolate rather than syrup.
More ideas in our hot chocolate recipes. Hosting this Christmas? Our hot chocolate station ideas work with any of these mixes, and a tub makes an easy present (see hot chocolate gifts). A reishi cacao mug also makes an alcohol-free nightcap.
Before you try a reishi hot chocolate: we don’t recommend our products during pregnancy or breastfeeding, and they are for adults (18+). The MSD Manual says reishi might slow blood clotting and lower blood pressure, so if you take blood thinners, blood pressure tablets or any regular medicines, check with your GP or pharmacist first.
Related guides
- A malted drink instead? Read does Horlicks help you sleep.
- Cutting back on coffee? See our coffee alternatives.
- Love it darker? See dark chocolate benefits and ceremonial cacao.
- Want more reishi than a hot chocolate gives? Compare forms in the best reishi supplement UK guide.
Next step
Reishi Mushroom Adaptogenic Complex
For a short ingredients list and no milk powder, try Reishi Cacao: 0.5g reishi and 0.5g maca per 8g mug, with cocoa, coconut sugar, cinnamon and stevia. It contains a little natural caffeine.
Add Reishi Cacao to bag See ingredients and reviews
Subscribe and save 25% on your first order, then 20%. New to Evopure? Join our emails for 20% off a one-off first order. Free UK delivery over £45; it arrives as a small parcel, not through the letterbox. Bundle two or more on our bundle builder for 5% to 20% off. If you take any regular medicines, check with your GP or pharmacist first. We don’t recommend our products during pregnancy or breastfeeding.
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View productSources 6
- NHS. Sugar: the facts.
- NHS. Foods to avoid in pregnancy (caffeine amounts).
- legislation.gov.uk. Regulation (EC) No 1924/2006, Annex: nutrition claims and conditions (as it applies in Great Britain).
- USDA FoodData Central: “Cocoa, dry powder, unsweetened” (FDC ID 169593).
- MSD Manual (Consumer Version). Reishi.
- Product listings checked 9 November 2026 on Ocado: Cadbury Instant, Cadbury Highlights, Options Belgian, Galaxy Instant, Aero Instant and Green & Black’s Organic.
This guide is general information, not medical advice. Evopure makes Reishi Cacao (Reishi Mushroom Adaptogenic Complex), the Magnesium Glycinate Sleep Complex and Sleep CBD Oil. Evopure isn’t connected with any other brand named here; their details come from retailer listings checked in November 2026 and may change. Brands: if something is out of date, email support@evopure.co.uk.
