Matcha powder is carb-dense—~14.7g net carbs per 100g—but a real serving is only ~2g of powder (≈0.3g net), so prepared unsweetened matcha is moderate and fits keto in normal use. It delivers gentle caffeine with L-theanine for focused energy plus a high antioxidant load.
Is Matcha Keto?

Matcha powder is carb-dense—~14.7g net carbs per 100g—but a real serving is only ~2g of powder (≈0.3g net), so prepared unsweetened matcha is moderate and fits keto in normal use. It delivers gentle caffeine with L-theanine for focused energy plus a high antioxidant load.
- Net carbs (100g)14.7g
- Protein (100g)5.7g
- Fat (100g)4.1g
- Keto verdictEnjoy in moderation
NUTRITION FACTS
Per 100g (raw)
Source: USDA FoodData Central
HOW TO ENJOY IT ON KETO
- Very low net carbs per prepared cup—easy to fit into daily macros
- Contains L-theanine for calm, focused energy alongside caffeine
- Finely milled whole tea leaves provide maximal antioxidants
- Green tea catechins may modestly support fat oxidation
- Stable, sustained energy compared with coffee for some
- Pairs well with low-carb milks and keto fats without adding carbs
HEALTH BENEFITS
- Exceptionally high in antioxidants (EGCG and other catechins)
- L-theanine can promote relaxation without drowsiness
- May gently boost metabolism and aid weight management
- Chlorophyll-rich; supports overall antioxidant defenses
- May support cognitive performance and focus
- Provides trace minerals and polyphenols from whole-leaf tea
PREPARATION SUGGESTIONS
TRADITIONAL WHISK
Whisk matcha with hot water (160–170°F / 71–77°C) using a bamboo whisk for a smooth, frothy cup.
MATCHA LATTE
Blend with almond-milk-unsweetened and a touch of vanilla; sweeten lightly with allulose or stevia if desired.
ICED MATCHA
Whisk with a splash of hot water, pour over ice, and top with cold almond-milk-unsweetened.
MATCHA SMOOTHIE
Blend with heavy-cream or coconut-milk-unsweetened, mct-oil, and low-carb sweetener for a creamy boost.
MATCHA ‘BULLET’
Blend matcha with hot water, butter or ghee, and MCT oil for a frothy keto energy drink.
COLD MATCHA TEA
Shake matcha with cold water and a splash of pea-milk-unsweetened for a quick refresher.
WHERE TO BUY
As an Amazon Associate, KetoLens earns from qualifying purchases. We only recommend products we've researched — recommendations never affect our keto verdicts.

Kyoto Dew Matcha - Ceremonial Blend, USDA & JAS Organic Matcha Green Tea Powder from Uji, Kyoto (30g/1oz Tin)
This pure, sugar-free ceremonial-grade matcha (no additives or sweeteners) contains virtually zero net carbs per serving while still delivering the antioxidants and L-theanine-balanced caffeine keto dieters want from matcha, and it was independently ranked the #1 ceremonial matcha in Minimalist Baker's blind taste-test review of Amazon-available brands.

Jade Leaf Matcha Organic Ceremonial Grade Teahouse Edition Matcha Powder - 100% Pure Japanese Premium First Harvest Green Tea for Ceremonies, Usucha, Lattes 30g / 1.06 Ounce Tin (Pack of 1)
A USDA-organic, first-harvest ceremonial matcha from Uji and Kagoshima that delivers a clean, sweet-umami cup with virtually no net carbs for a fraction of the price of boutique tins - independently ranked the #1 overall "benchmark for accessible ceremonial matcha" by Matcha Spot's 2026 brand comparison, making it the pick for keto dieters who want daily matcha without the premium price tag.