How Many Calories Are In Pepsi Zero Sugar? | Label Facts Fast

Calories In Pepsi Zero Sugar: Per Can And Bottle

Calorie count is simple here. A labeled serving shows 0 kcal. That’s true for the 12-ounce can and the common bottles as well. PepsiCo’s product facts pages confirm the zero-calorie claim and list caffeine by size so you can gauge the lift you’ll feel from a can versus a large bottle. PepsiCo Product Facts also notes that formulations can vary by package, so always double-check the can you’re holding.

What “Zero Calories” Means On A Label

In U.S. labeling, “calorie-free” means fewer than 5 calories per labeled serving. That’s why you see 0 kcal on the panel. The rule comes from federal food labeling regulations for nutrient content claims. If you want the exact wording, see the FDA’s section on calorie claims. Here’s the relevant page: 21 CFR 101.60.

Core Nutrition Snapshot

Pepsi Zero Sugar contains no sugar or calories. It does include a small amount of sodium and a blend of non-sugar sweeteners to deliver cola sweetness with essentially no energy. That combination keeps the calorie line at zero while preserving a classic cola profile.

Calories And Caffeine By Common Package Size

Package Size	Calories	Caffeine (mg)
12 fl oz can	0	38
16 fl oz bottle	0	50
16.9 fl oz bottle	0	53
20 fl oz bottle	0	63

Those caffeine figures come straight from size-specific product fact pages that list “Caffeine” under “More Information.” You can check the 12-ounce can, 16-ounce, 16.9-ounce, and 20-ounce pages for the same outcome: zero calories, caffeine rising with volume. Sources: 12 oz (38 mg), 16 oz (50 mg), 16.9 oz (53 mg), 20 oz (63 mg). PepsiCo Product Facts.

Ingredients, Sweeteners, And Why The Calories Stay At Zero

The cola uses non-sugar sweeteners, often a blend such as aspartame with acesulfame potassium (Ace-K). These compounds taste far sweeter than table sugar, so only tiny amounts are needed. In those tiny amounts, energy contribution is negligible, which keeps the label at 0 kcal per serving.

Quick Look At Sweetener Safety

The FDA sets an acceptable daily intake (ADI) for each sweetener. The current ADI is 50 mg per kilogram body weight per day for aspartame and 15 mg/kg for Ace-K. That’s a wide safety margin for typical soda intake. See the FDA’s ADI summary (PDF) for the figures: FDA sweetener ADIs. WHO and JECFA have also reviewed aspartame and kept the ADI in place; the joint note explains intake limits in plain terms.

What About Sodium?

There is a small sodium line on the panel. Many cans list a low, single-digit percent of Daily Value. If you’re tracking daily intake, the total from one can is minor. Snacks, sauces, and breads add far more.

Caffeine: How It Scales With Size

Expect a modest lift from a 12-ounce can and a stronger kick from a 20-ounce bottle. The numbers in the table line up with PepsiCo’s own listings for each package size. If you’re sensitive to caffeine, stick to the smaller can or space out servings during the day.

Zero sugar helps if you’re managing added sugars, but a full day’s intake still hinges on total diet, so set your daily added sugar limit and keep sweets from creeping in elsewhere.

Taste Trade-Offs And Real-World Use

Many colas without sugar chase a familiar flavor with a sharper finish. That finish comes from the sweetener blend and acidity. Some drinkers prefer it ice-cold or over a lot of ice to round the bite. Others rotate between small cans and plain seltzer to keep flavor fatigue away.

Smart Ways To Fit It In

• Use the 12-ounce can with lunch to cap cravings for dessert.
• Pick the 16-ounce bottle for long drives; sip over time.
• Pair with water to keep hydration on track between fizzy sips.

When A “Zero” Cola Makes Sense

It shines when you want cola taste without energy from sugar. That includes weight-loss plateaus, carb-counting days, and late-night cravings. If you get caffeine jitters, pick smaller sizes or grab a caffeine-free cola for evening plans.

Label Checks: What To Read Fast

Serving Size

Most cans are one serving. Large bottles are one serving per bottle too. That makes the 0 kcal line easy to read: you’re not doing math to convert half bottles to whole bottles.

Calories And Sugar

Calories show “0.” Sugar shows “0 g.” If either line shows a positive number, you’re not holding the same product. That can happen with look-alike labels in some stores or with regional formulations.

Sweeteners

Look for “aspartame” and “acesulfame potassium” in the ingredient list. Those are the usual suspects in many diet colas. If you live with PKU, the phenylalanine warning always matters.

How It Stacks Up Against Other Pepsi Colas

This quick comparison uses a standard 12-ounce serving for a like-for-like view. Calories separate regular cola from the diet and zero versions; caffeine sits in a narrow range across them.

12-Ounce Comparison: Calories And Caffeine

Drink (12 fl oz)	Calories	Caffeine (mg)
Pepsi Zero Sugar	0	38
Diet Pepsi	0	34
Regular Pepsi	150	38

Figures reflect PepsiCo’s product fact pages for each item and a standard 12-ounce serving. Caffeine lands close across the lineup; the big split is calories and sugar in the regular cola. Source pages: Pepsi Zero Sugar 12 oz (38 mg), Diet Pepsi 12 oz (34 mg), regular Pepsi 12 oz (150 kcal, 38 mg caffeine). Check each label where you shop since packages can vary by market. PepsiCo caffeine info.

Answers To Common Reader Checks

Does “Zero” Always Mean Zero?

On U.S. labels, “zero” for calories allows a tiny rounding window. The rule treats anything under 5 kcal per labeled serving as calorie-free. That’s why you see a clean “0.” The same logic applies to sugars and fat lines at small quantities.

Can You Drink It During Weight Loss?

Many people use it to keep cravings down while keeping energy intake tight. A small can with a high-protein meal works well for that goal. Balance the rest of the day with fiber, lean protein, and water.

Is The Caffeine High?

Not by soda standards. The 12-ounce can sits below many teas and miles below coffee. Large bottles carry more due to volume, not a different recipe.

How To Pick A Size That Fits Your Day

When You Want Just A Hit

Reach for the 12-ounce can. It’s a tidy serving for lunch or mid-afternoon. If you’re caffeine-sensitive, this is the safest way to enjoy the flavor with minimal buzz.

When You’re Out For Hours

A 16–16.9-ounce bottle stretches the sip and keeps hunger in check. It pairs well with a protein bar, some nuts, or a sandwich.

When You’re Swapping For Dessert

The 20-ounce bottle can blunt a sweet tooth during a long drive or game night. Pace it with water to keep total caffeine moderate.

Practical Tips For Better Choices

• Use ice and a tall glass to slow sipping and spread the caffeine over time.
• Pair with salty foods only now and then; that’s where total sodium can sneak up.
• Alternate with plain or sparkling water to keep thirst under control.

What The Science And Rules Say

Regulators keep sweetener use within strict limits. The FDA’s ADI table lists daily intake thresholds per kilogram of body weight for aspartame and Ace-K, both used in many zero-calorie colas. That margin gives room for typical consumption. If you still prefer to limit sweeteners, rotate with plain seltzer or unsweetened tea.

For label rules on energy claims, the government code is the clearest reference: calorie-free claim criteria. For product-specific nutrition and caffeine, see PepsiCo Product Facts for the can and each bottle size.

Bottom Line: Zero Calories, Same Cola Vibe

You get the cola flavor with none of the calories. Caffeine sits in a moderate lane and scales with size, which helps you pick the can or bottle that fits your plan. If you like the taste and want energy control, it’s an easy swap for regular soda.

Want a clean daily routine to pair with your beverage pick? Try our daily nutrition checklist.