Diet Soda Guides

Guides in this cluster

Illustration of two chilled soda cans beside a glass of ice cubes

Comparisons · October 19, 2026

Diet Pepsi vs Diet Coke Caffeine: 35 mg vs 46 mg

Diet Coke lists 46 mg caffeine per 12 oz; Diet Pepsi works out to about 35 mg. Both use aspartame, but only Diet Pepsi adds acesulfame potassium.

Illustration of two soda cans beside a small heap of fresh stevia leaves

Comparisons · October 14, 2026

Zevia vs Diet Coke: Stevia vs Aspartame, 45 vs 46 mg Caffeine

Zevia Cola is sweetened only with stevia; Diet Coke uses aspartame. Both have 0 calories, and caffeine is 45 mg vs 46 mg per 12 oz can. Labels compared.

Illustration of two soda cans beside a pile of sugar cubes and ice

Comparisons · October 14, 2026

Diet Coke vs Coke Caffeine: 46 mg vs 34 mg per 12 oz Can

Diet Coke has 46 mg of caffeine per 12 oz can and Coca-Cola has 34 mg. We compare sugar (0 g vs 39 g), calories, aspartame and both ingredient lists.

Illustration of two slim soda cans with condensation beside a tall glass of ice

Comparisons · October 12, 2026

Diet Coke vs Diet Dr Pepper: Caffeine (46 vs 41 mg), Aspartame

Diet Coke lists 46 mg caffeine per 12 oz can vs about 41 mg in Diet Dr Pepper. Both have 0 calories and use aspartame only; sodium is 40 vs 60 mg.

Illustration of Two soda cans beside a small pile of sugar cubes

Comparisons · October 12, 2026

What's in Coke Zero vs Coca-Cola? Ingredients and Sugar

Coke Zero uses aspartame, ace-K and stevia; Coca-Cola uses high fructose corn syrup (39 g sugar per 12 oz). Both list 34 mg caffeine per 12 oz can.

Illustration of two slim soda cans standing side by side with ice cubes

Comparisons · October 12, 2026

Dr Pepper Zero Sugar vs Coke Zero: Caffeine (41 vs 34 mg)

Dr Pepper Zero Sugar has about 41 mg caffeine and 60 mg sodium per 12 oz; Coke Zero Sugar 34 mg and 40 mg. Both use aspartame and ace-K.

Illustration of two soda cans side-by-side on a white surface

Comparisons · September 15, 2026

Sprite vs Fresca: Sugar, Sweeteners and Preservatives

Sprite is sweetened with high fructose corn syrup; Fresca uses aspartame and acesulfame potassium. Both caffeine-free and dye-free. The two cans, line by line.

Illustration of a clear glass bottle next to a dark glass bottle and two opaque plastic bottles

Guides · September 13, 2026

The 5 Sodas People Scan Most: Sweeteners, Acids and Colors

Diet Coke, Sprite, Fanta Orange, Fanta Pineapple and Fresca, label by label: which sweetener, acid, dye and preservative each one uses and what regulators say.

Illustration of two soda cans and a molecular structure diagram

Comparisons · September 11, 2026

Mountain Dew Zero vs Diet Mountain Dew: Which Has More Caffeine?

Mountain Dew Zero Sugar has 68 mg of caffeine per 12 oz vs 54 mg in Diet Mountain Dew. Both use aspartame, ace-K and sucralose plus Yellow 5. Labels compared.

Illustration of Two soda cans with different ingredient labels on a table

Comparisons · September 10, 2026

Does Dr Pepper Zero Have Aspartame? Yes, vs Diet Dr Pepper

Yes: Dr Pepper Zero Sugar has aspartame blended with acesulfame K; Diet Dr Pepper uses aspartame alone. Both have 41 mg caffeine per can and a PKU warning.

Illustration of two clear plastic bottles filled with dark liquid side-by-side

Comparisons · September 9, 2026

Pepsi Zero vs Diet Pepsi: What's Different? 38 vs 35 mg

Pepsi Zero Sugar and Diet Pepsi both use aspartame and Ace-K; Pepsi Zero has about 38 mg caffeine per 12 oz can vs 35 mg. Ingredients and acids compared.

Illustration of two clear glasses filled with dark soda and ice

Comparisons · September 8, 2026

Diet Coke vs Coke Zero: What's the Difference? Caffeine and Taste

The difference: Diet Coke has 46 mg caffeine per 12 oz and uses aspartame alone; Coke Zero Sugar has 34 mg and adds acesulfame K to taste like Coca-Cola.

Illustration of two soda cans side-by-side on a countertop

Comparisons · July 9, 2026

Coca-Cola Light vs. Coca-Cola: Ingredients Compared

A plain-English review of Coca Light Vs Coca: what it is, why it appears on labels, safety context, common uses, and sources.