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Diet Beverages Roundup

We analyzed 93 products to help you choose the healthiest & safest options.

Finding the perfect Diet Beverages shouldn't feel like a guessing game. At CakeID, we take food transparency seriously. We have analyzed over 93 products in this category, breaking down every ingredient list to uncover hidden additives, excessive sugar levels, and potential allergens.

Whether you are searching for strictly Vegan options, Gluten-Free snacks, or simply want to avoid high-processed foods, our algorithm ranks products based on a comprehensive Health Score. Below is our definitive ranking of the safest and healthiest Diet Beverages you can buy in 2026, sorted by their ingredient purity.

Editor's Quick Picks

Detailed Reviews

Calories
0
Sugar
0g
Big K, The Kroger Co.

Diet cola soda

Ingredients: Carbonated water, caramel color, phosphoric acid, aspartame*, sodium benzoate (preservative), citric acid, caffeine, natural flavor.

The Good

  • Sugar Free
  • Clean Ingredients

The Bad

  • Contains Sodium Benzoate
View Full Analysis
Calories
0
Sugar
0g
Sprite

Sprite

Ingredients: CARBONATED WATER, HIGH FRUCTOSE CORN SYRUP, CITRIC ACID, NATURAL FLAVORS, SODIUM CITRATE, SODIUM BENZOATE (TO PROTECT TASTE).

The Good

  • Sugar Free
  • Clean Ingredients

The Bad

  • Contains High Fructose Corn Syrup
View Full Analysis
Calories
0
Sugar
0g
Gatorade

G ZERO Grape

Ingredients: water, citric acid, sodium citrate, natural flavor, salt, monopotassium phosphate, modified food starch, sucralose, acesulfame potassium, glycerol ester of rosin, red 40, blue 1

The Good

  • Excellent Health Score
  • Sugar Free

The Bad

  • Contains Red 40 (Allura Red)
View Full Analysis
Calories
0
Sugar
0g
Muscletech

shatter pre-workout ripped

Ingredients: Silicon dioxide, Natural & Artificial Flavors, Citric acid, Malic acid, Sucralose, FD&C Blue No. 1

The Good

  • Excellent Health Score
  • Sugar Free
  • Clean Ingredients

The Bad

  • Ultra Processed
View Full Analysis
Calories
0
Sugar
0g
Big K,The Kroger Co

Diet Cola

Ingredients: Carbonated water caramel color phosphoric acid aspartame sodium benzoate citric acid caffeine phenylalanine

The Good

  • Sugar Free
  • Clean Ingredients

The Bad

  • Contains Sodium Benzoate
View Full Analysis
Calories
58
Sugar
3g
Oatly

Oatmilk Barista Edition

Ingredients: Oat base (water, oats), low erucic acid rapeseed oil, dipotassium phosphate 2%, calcium carbonate, tricalcium phosphate, sea salt, dicalcium phosphate, riboflavin, vitamin A acetate, vitamin D2, vitamin B12.

The Good

  • Excellent Health Score
  • Low Sugar

The Bad

  • Ultra Processed
View Full Analysis
Calories
23
Sugar
6g
Belle Vie, Aldi

Sparkling Natural Soda Elderflower Lemon

Ingredients: SPARKLING WATER, LEMON JUICE FROM CONCENTRATE (WATER AND LEMON JUICE CONCENTRATE), CANE SUGAR, NATURAL FLAVOR, ELDERFLOWER ESSENCE, CITRIC ACID.

The Good

  • Excellent Health Score
  • Clean Ingredients

The Bad

  • Ultra Processed
View Full Analysis
Calories
14
Sugar
0g
Protein2O

Cherry Lemonade Protein Drink

Ingredients: WATER, WHEY PROTEIN ISOLATE (MILK), NATURAL FLAVORS, CITRIC ACID, RED 40, CAFFEINE, SUCRALOSE, PHOSPHORIC ACID

The Good

  • Sugar Free
  • Clean Ingredients

The Bad

  • Contains Red 40 (Allura Red)
View Full Analysis
Calories
0
Sugar
0g
Wal-Mart Stores Inc.

Diet Sam's Cola, Diet Cola

Ingredients: Carbonated water, caramel color, aspartame, phosphoric acid, potassium citrate, potassium citrate, potassium benzoate (preservative), natural flavor, caffeine.

The Good

  • Sugar Free

The Bad

  • Contains Phosphoric Acid
View Full Analysis
Calories
5
Sugar
0g
Crystal Light

Pink lemonade drink mix

Ingredients: Citric acid, potassium citrate, maltodextrin, aspartame, magnesium oxide, natural flavor, acesulfame potassium, soy lecithin, artificial color, red 40.

The Good

  • Sugar Free

The Bad

  • Contains Red 40 (Allura Red)
View Full Analysis
Calories
0
Sugar
0g
Refreshe

Diet Cola Soda

Ingredients: Carbonated water, caramel color, aspartame, phosphoric acid, potassium citrate, potassium benzoate (preservative), natural flavor, caffeine.

The Good

  • Sugar Free
  • Clean Ingredients

The Bad

  • Contains Phosphoric Acid
View Full Analysis
Calories
1
Sugar
0g
Body Armor

Body armor lyte strawberry lemonade

Ingredients: Filtered Water, Erythritol, Coconut Water Concentrate, Citric Acid, Dipotassium Phosphate (Electrolyte), Vegetable Juice Concentrate (Color), Ascorbic Acid (Vitamin C), Magnesium Oxide (Electrolyte), Stevia rebaudiana Leaf Extract, Natural Strawberry Lemonade Flavor with other Natural Flavors, Niacinamide (Vitamin B3), Calcium D-Pantothenate (Vitamin B5), alpha-Tocopheryl Acetate (Vitamin E), Zinc Oxide (Electrolyte), Guar Gum, Pyridoxine Hydrochloride (Vitamin B6), Folic Acid (Vitamin B9), Vitamin A Palmitate (Vitamin A), Cyanocobalamin (Vitamin B12).

The Good

  • Excellent Health Score
  • Sugar Free

The Bad

  • Ultra Processed
View Full Analysis
Calories
1
Sugar
0g
Hacendado

Cola zero azúcar zero cafeína

Ingredients: Agua carbonatada, colorante e-150d, edulcorantes: ciclamato sódico, acesulfamo k y aspartamo, acidulante ácido fosfórico, aromas y corrector de acidez citrato sódico, contiene una fuente de fenilalanina,

The Good

  • Excellent Health Score
  • Sugar Free

The Bad

  • Ultra Processed
View Full Analysis
Calories
2
Sugar
0g
Lipton

Lipton Ice Tea saveur pêche zéro sucres

Ingredients: Eau,extrait de thé noir⁽¹⁾ (1,2g/l),acidifiants (acide citrique, acide malique),jus de pêche à base de concentré (0,1%),arômes,correcteur d'acidité (citrate trisodique) ,édulcorants (acésulfame-K, sucralose),antioxydant (acide ascorbique),⁽¹⁾ Vérifié Rainforest Alliance. Plus d'informations sur ra.org. People and nature = l'humain et la nature.

The Good

  • Excellent Health Score
  • Sugar Free

The Bad

  • Ultra Processed
View Full Analysis
Calories
143
Sugar
0g
Bodyarmor

Flash I.V. Electrolyte Drink Mix, Strawberry Kiwi

Ingredients: Citric Acid, Potassium Citrate, Salt, Potassium Chloride, Sodium Citrate, Calcium Carbonate, Stevia rebaudiana Leaf Extract, Magnesium Oxide, Coconut Water Powder, Niacinamide, Zinc Oxide, Natural Strawberry Kiwi Flavor with other Natural Flavors, Ascorbic Acid, Pyridoxine Hydrochloride, Vegetable Juice Concentrate, Cyanocobalamin

The Good

  • Excellent Health Score
  • Sugar Free

The Bad

  • Ultra Processed
View Full Analysis
Calories
0
Sugar
0g
Natural Vitality

Raspberry-Lemon Calm Magnesium Supplement

Ingredients: Magnesium carbonate, citric acid, organic lemon flavor, organic raspberry flavor, organic stevia (leaf) extract

The Good

  • Excellent Health Score
  • Sugar Free
  • Clean Ingredients

The Bad

  • Ultra Processed
View Full Analysis
Calories
0
Sugar
0g
Fanta

Fanta zero sugar orange

Ingredients: carbonated water, citric acid, potassium citrate, aspartame, natural flavors, modified food starch, potassium benzoate, acesulfame potassium, glycerol ester of rosin, yellow 6, medium chain triglycerides, sucrose acetate isobutyrate, red 40

The Good

  • Sugar Free

The Bad

  • Contains Red 40 (Allura Red)
View Full Analysis
Calories
25
Sugar
6g
Kirkland

Orange Sport Drink

Ingredients: WATER, CANE SUGAR, DEXTROSE, CITRIC ACID, NATURAL FLAVOR, SALT, SODIUM CITRATE, MONOPOTASSIUM PHOSPHATE, GUM ACACIA, YELLOW 6, ESTER GUM.

The Good

  • Clean Ingredients

The Bad

  • Ultra Processed
View Full Analysis
Calories
0
Sugar
0g
coke zero

coke zero

Ingredients: Carbonated water, caramel color, phosphoric acid, potassium benzoate, aspartame, natural flavors, potassium citrate, acesulfame potassium, and caffeine.

The Good

  • Sugar Free

The Bad

  • Contains Phosphoric Acid
View Full Analysis
Calories
143
Sugar
0g
BodyArmor

BodyArmor Flash I.V. Strawberry Kiwi

Ingredients: Citric Acid, Potassium Citrate (Electrolyte), Salt (Electrolyte), Potassium Chloride (Electrolyte), Sodium Citrate (Electrolyte), Calcium Carbonate (Electrolyte), Stevia rebaudiana Leaf Extract, Magnesium Oxide (Electrolyte), Coconut Water Powder, Niacinamide (Vitamin B3), Zinc Oxide (Electrolyte), Natural Strawberry Kiwi Flavor with other Natural Flavors, Ascorbic Acid (Vitamin C), Pyridoxine Hydrochloride (Vitamin B6), Vegetable Juice Concentrate (Color), Cyanocobalamin (Vitamin B12)

The Good

  • Excellent Health Score
  • Sugar Free

The Bad

  • Ultra Processed
View Full Analysis
Calories
0
Sugar
0g
Hydroxycut

Cut Energy + Weight Loss Sparkling Berry Lemonade dietary supplement.

Ingredients: Purified Water Citric Acid Natural Flavors, Sodium Citrate, ative)

The Good

  • Excellent Health Score
  • Sugar Free
  • Clean Ingredients

The Bad

  • Ultra Processed
View Full Analysis
Calories
0
Sugar
0g
Big K

Cola Oh!

Ingredients: carbonated water, caramel color, phosphoric acid, potassium benzoate (preservative), aspartame, natural flavors, potassium citrate, acesulfame potassium, caffeine.

The Good

  • Sugar Free

The Bad

  • Contains Phosphoric Acid
View Full Analysis
Calories
0
Sugar
0g
Pepsi

Diet pepsi

Ingredients: CARBONATED WATER, CARAMEL COLOR. ASPARTAME, PHOSPHORIC ACID, POTASSIUM BENZOATE, CAFFEINE, CITRIC ACID, NATURAL FLAVOR, ACESULFAME POTASSIUM.

The Good

  • Sugar Free
  • Clean Ingredients

The Bad

  • Contains Phosphoric Acid
View Full Analysis
Calories
344
Protein
78g
Isopure

Zero Carb Protein Creamy Vanilla

Ingredients: Whey Protein Isolate, Vitamin and Mineral Blend (Dicalcium Phosphate, Potassium Chloride, Magnesium Oxide, Ascorbic Acid, Niacinamide, d-alpha Tocopheryl Acetate, Zinc Oxide, Silicon Dioxide, Calcium D-Pantothenate, Vitamin A Acetate, Potassium Iodide, Manganese Sulfate, Chromium Chloride, Copper Sulfate, Pyridoxine Hydrochloride, Riboflavin, Sodium Molybdate, Sodium Selenite, Thiamine Mononitrate, Folic Acid, Cyanocobalamin), Soy Lecithin, Natural & Artificial Flavor, Salt, Sucralose, Xanthan Gum.

The Good

  • Excellent Health Score
  • Sugar Free

The Bad

  • Ultra Processed
View Full Analysis
Calories
0
Sugar
0g
Diet Sam's Cola

Diet Cola

Ingredients: Carbonated water, caramel color, aspartame, phosphoric acid, potassium citrate, potassium benzoate (preservative), caffeine, natural flavor.

The Good

  • Sugar Free
  • Clean Ingredients

The Bad

  • Contains Phosphoric Acid
View Full Analysis
Calories
0
Sugar
0g
Dr Pepper

Vernors zero sugar

Ingredients: BENZOATE CARBONATED WATER, ASPARTAME, CITRIC ACID, CARAMEL COLOR, SODIUM (PRESERVATIVE), POTASSIUM CITRATE, NATURAL AND ARTIFICIAL FLAVORS. PHENYLKETONURICS: CONTAINS PHENYLALANINE

The Good

  • Excellent Health Score
  • Sugar Free

The Bad

  • Ultra Processed
View Full Analysis
Calories
0
Sugar
0g
PepsiCo,Pepsi

Diet

Ingredients: Carbonated Water Caramel Color, Aspartame, Phosphoric Acid, potassium benzoate (preserves richness), caffeine, Citric acid, natural flavor, acesulfame potassium

The Good

  • Sugar Free

The Bad

  • Contains Phosphoric Acid
View Full Analysis
Calories
0
Sugar
0g
Pepsi

Diet soda

Ingredients: CARBONATED WATER, CARAMEL COLOR, ASPARTAME, PHOSPHORIC ACID, POTASSUM BENZOATE (PRESERVES FRESHNESS), CAFFEINE, CITRIX ACID, NATURAL FLAVOR, ACESULFAME POTASSIUM. PHENYLKETONURICS: CONTAINS PHENYLALANINE

The Good

  • Sugar Free

The Bad

  • Contains Phosphoric Acid
View Full Analysis
Calories
0
Sugar
0g
one of the cases someone changed the contents in the can from soda to expired milk using a 3d printer

Diet dr pepper

Ingredients: carbonated water, caramel color, aspartame, phosphoric acid, natural and artificial flavors, sodium benzoate (preservative), caffeine,

The Good

  • Sugar Free
  • Clean Ingredients

The Bad

  • Contains Sodium Benzoate
View Full Analysis
Calories
0
Sugar
0g
Coca-Cola

Coca-Cola zero sugar

Ingredients: Carbonated water, caramel color, phosphoric acid, aspartame, potassium benzoate (to protect taste), natural flavors, potassium citrate, acesulfame, potassium, caffeine

The Good

  • Sugar Free

The Bad

  • Contains Phosphoric Acid
View Full Analysis

Frequently Asked Questions

Are products in the Diet Beverages category always vegan?+
Not necessarily. We analyzed over 93 products in the Diet Beverages category on CakeID. While some are plant-based, many contain hidden animal ingredients like milk powder, whey, or gelatin. Always check the "Is Vegan" status on our product pages.
How does CakeID rank the best Diet Beverages?+
We rank Diet Beverages based on their nutritional value, ingredient cleanliness (fewer additives), and vegan compatibility. Products with lower sugar and simpler ingredients rank higher.
Can I find low-calorie Diet Beverages here?+
Yes! Our list highlights the nutritional details of each product. Look for the "Calories" badge on the product cards above to find low-calorie options.
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