A Venti Matcha Green Tea Latte made with oat drink contains 256 kcal, 14g of sugar (3.5 teaspoons) and 111.5mg of caffeine. It is classified as NOVA 3 under the NOVA food processing classification system.
Size: Venti | Milk: Oat Drink | Allergens: None declared
Nutrition by serving: calories, sugar and caffeine
Starbucks Matcha Green Tea Latte (Venti, Oat Milk) contains 256 kcal, 12.7g of fat (1.3g saturated), 28.2g of carbohydrate (14g sugar), 4.4g of protein, 0.5g of salt and 111.5mg of caffeine.
Nutrition by serving: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
| Serving | Calories | Salt | Sugar | = teaspoons | Carbs | Protein | Caffeine |
|---|
| Per serving | 256 kcal | 0.5g | 14g | 3.5 tsp | 28.2g | 4.4g | 111.5mg |
Sugar in Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
Starbucks Matcha Green Tea Latte (Venti, Oat Milk) contains 14g of free sugar per serving. Moderate free sugar
The NHS free sugar limit is 30g a day for adults, 24g for children aged 7 to 10 and 19g for children aged 4 to 6. Sugars naturally present in milk are excluded.
Free sugar by serving: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
| Serving | Adult (female) 30g | Adult (male) 30g | Age 11 to 17 30g | Age 7 to 10 24g | Age 4 to 6 19g |
|---|
| Per serving | 14g 47% | 14g 47% | 14g 47% | 14g 58% | 14g 74% |
Boone calculates these percentages from Starbucks UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach. For guidance only.
Calories in Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
Starbucks Matcha Green Tea Latte (Venti, Oat Milk) contains 256 kcal of calories per serving. Low calories
Daily calorie needs vary by age and sex.
Calories by serving: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
| Serving | Adult (female) 2000 kcal | Adult (male) 2500 kcal | Age 11 to 17 1936 kcal | Age 7 to 10 1553 kcal | Age 4 to 6 1291 kcal |
|---|
| Per serving | 256 kcal 13% | 256 kcal 10% | 256 kcal 13% | 256 kcal 16% | 256 kcal 20% |
Boone calculates these percentages from Starbucks UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach. For guidance only.
Saturated fat in Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
Starbucks Matcha Green Tea Latte (Venti, Oat Milk) contains 1.3g of saturated fat per serving. Low saturated fat
The saturated fat guideline is 20g a day for women and 30g for men, and lower again for children.
Saturated fat by serving: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
| Serving | Adult (female) 20g | Adult (male) 30g | Age 11 to 17 20g | Age 7 to 10 18g | Age 4 to 6 16g |
|---|
| Per serving | 1.3g 6% | 1.3g 4% | 1.3g 6% | 1.3g 7% | 1.3g 8% |
Boone calculates these percentages from Starbucks UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach. For guidance only.
Salt in Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
Starbucks Matcha Green Tea Latte (Venti, Oat Milk) contains 0.5g of salt per serving. Low salt
Children have lower salt limits: 3g a day for ages 4 to 6 and 5g for ages 7 to 10.
Salt by serving: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
| Serving | Adult (female) 6g | Adult (male) 6g | Age 11 to 17 6g | Age 7 to 10 5g | Age 4 to 6 3g |
|---|
| Per serving | 0.5g 9% | 0.5g 9% | 0.5g 9% | 0.5g 11% | 0.5g 18% |
Boone calculates these percentages from Starbucks UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach. For guidance only.
Fibre in Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
Starbucks Matcha Green Tea Latte (Venti, Oat Milk) contains 5.8g of fibre per serving. Low fibre
Fibre is a target to reach rather than a limit to stay under.
Fibre by serving: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
| Serving | Adult (female) 30g | Adult (male) 30g | Age 11 to 17 25g | Age 7 to 10 20g | Age 4 to 6 15g |
|---|
| Per serving | 5.8g 19% | 5.8g 19% | 5.8g 23% | 5.8g 29% | 5.8g 39% |
Boone calculates these percentages from Starbucks UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach. For guidance only.
Free sugar vs total sugar
Where the sugar comes from: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
| Serving | Total sugar | Free (added) sugar | Naturally occurring | Free sugar in teaspoons |
|---|
| Per serving | 14g | 14g | 0g | 3.5 tsp |
There is no dairy in this drink to hold any sugar back, so the whole figure counts against the daily free sugar limit.
NHS daily free sugar limits: 30g for adults and children 11+, 24g age 7 to 10, 19g age 4 to 6.
Ultra-processed food: what is really in it
Processing and additives: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
Starbucks Matcha Green Tea Latte (Venti, Oat Milk) is assembled from 2 separately manufactured components. Reading the ingredient list closely, it contains acidity regulators. These are not there to add nutritional value. They make industrial production and distribution possible.
Acidity regulators
Hold the ph steady so flavour and shelf life stay consistent.
Boone classifies Starbucks Matcha Green Tea Latte (Venti, Oat Milk) as NOVA group 4, ultra-processed, based on the ingredients named above. NOVA groups foods by how far they are from their whole-food form, not by how nutritious they are. A group 4 food is not automatically unhealthy, and a group 1 food is not automatically healthy. Read from the published ingredient list, Retrieved 28 August 2026.
A Starbucks Matcha Green Tea Latte (Venti, Oat Milk) contains at least 9 distinct ingredients: 8 raw and 1 manufactured.
Ingredient count by order: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
| What you order | Raw | Manufactured | Total | % manufactured |
|---|
| Starbucks Matcha Green Tea Latte (Venti, Oat Milk) on its own | 8 | 1 | 9 | 11% |
The 1 manufactured ingredients
potassium phosphates.
The 8 raw ingredients
chicory root fibre, oat, pea protein, sea salt, sunflower oil, unsweetened matcha powder [powdered green tea, vitamins, water.
What those ingredients are, by type
Acids and acidity regulators1
Boone counts every distinct named ingredient on the Starbucks published component lists, including sub-ingredients, and removes duplicates, so milk appearing in three components counts once. Additive class names are dropped and the named substance kept, so "stabiliser: guar gum" counts guar gum once. Raw covers whole foods and basic kitchen staples such as water, coffee, milk, sugar and salt. Manufactured covers substances that only exist as an output of industrial processing. Figures are for the standard build; syrups, cold foams, whipped cream and drizzles added to order are not included. Retrieved 28 August 2026.
Allergens at a glance
Starbucks Matcha Green Tea Latte (Venti, Oat Milk) contains oats as a declared ingredient.
Allergen information: Starbucks Matcha Green Tea Latte (Venti, Oat Milk)
| Allergen | Status |
|---|
| Wheat | Not present |
| Rye | Not present |
| Barley | Not present |
| Oats | Contains |
| Spelt | Not present |
| Tree nuts | Not present |
| Peanuts | Not present |
| Sesame | Not present |
| Soya | Not present |
| Milk | Not present |
| Eggs | Not present |
| Fish | Not present |
| Crustaceans | Not present |
| Molluscs | Not present |
| Celery | Not present |
| Mustard | Not present |
| Lupin | Not present |
| Sulphur dioxide and sulphites | Not present |
Contains = declared as an ingredient in the Starbucks UK Nutrition and Allergen Guide. Starbucks prepares drinks and food in stores where all 14 major allergens are present and equipment, jugs and steam wands are shared, so no item can be guaranteed allergen free, even when ingredients are left out on request. Ask a barista before ordering if you have an allergy. Retrieved 28 August 2026.
