Diet Coke illustration

Diet Coke

Soft Drinks

The Verdict

Diet Coke is a near-zero-calorie beverage. Its primary value lies in hydration and, where applicable, its micronutrient or phytochemical content rather than macronutrient delivery.

The Lab Report

Per 100g, Diet Coke delivers 0g protein, 0g fat (0g saturated), and 0g carbohydrates with 0g dietary fibre.

The Safety Protocol

Contains aspartame and phosphoric acid. The carbonation and acidity may irritate sensitive stomachs. Tracking Tip: Near-zero calories. Sweetened with aspartame and acesulfame-K.

Medical Alert: Contains aspartame and phosphoric acid. The carbonation and acidity may irritate sensitive stomachs.
For informational purposes only — not medical advice. Always consult your doctor.

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Protocol Ratings

Acid Reflux AMBER

Acid Reflux Protocol

Diet Coke is carbonated and acidic (pH ~3.2), and contains caffeine. The carbonation causes gastric distension and the acidity irritates the oesophagus, though the absence of sugar reduces one trigger.

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Low Sugar GREEN

Low Sugar Protocol

Diet Coke contains 0g sugar, using artificial sweeteners instead. Compatible with a strict low-sugar protocol.

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Lose Weight AMBER

Lose Weight Protocol

Diet Coke contains almost no calories (0.4 kcal/100ml). While not directly fattening, some research suggests artificial sweeteners may increase appetite or sugar cravings.

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Balance AMBER

Balance Protocol

Diet Coke provides no nutritional value. Occasional consumption is acceptable, but water and unsweetened beverages are better for balanced hydration.

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Quick Reference

Deception Level MEDIUM
Satiety ROI LOW
Binge Risk 3/10

Nutritional Profile

Per 100g · Source: USDA FoodData Central

Calories 0.4 kcal
Protein 0.0 g
Fat 0.0 g
Saturated Fat 0.0 g
Carbohydrates 0.0 g
Fibre 0.0 g
Sugar 0.0 g
Sodium 13.0 mg
Potassium 1.0 mg
Calcium 0.0 mg
Iron 0.0 mg
Vitamin C 0.0 mg
Vitamin D 0.0 µg

Forensic Analysis

Calorie Density LOW

Low calorie density (0.4 kcal/100g) allows generous portions without significant caloric impact.

Satiety ROI LOW

Poor satiety return. Low protein (0g) and fibre (0g) provide minimal fullness for the caloric cost.

Tracking Difficulty MEDIUM

Moderate tracking difficulty. Visual portion estimation may deviate by 15-25%.

Frequently Asked Questions

How many calories and carbs are in Diet Coke?

Diet Coke contains 0.4 kcal and 0g of carbohydrates per 100g.

DietVox Insight: DietVox rates Diet Coke with a 'MEDIUM' Deception Level, meaning visual estimation is reasonably reliable for this food.

Is Diet Coke good for weight loss?

Yes, at 0.4 kcal/100g, Diet Coke is a low-calorie option that supports weight loss when part of a balanced diet.

DietVox Insight: DietVox rates the Satiety ROI as LOW, so pairing with protein or fibre sources enhances fullness.

Can I eat Diet Coke with acid reflux?

Diet Coke may trigger reflux in some individuals. Small portions and monitoring personal tolerance is recommended.

DietVox Insight: DietVox rates this AMBER for acid reflux, meaning individual tolerance varies. Keep a food diary to track your response.

Citations & Sources

  1. Nutritional composition data for Diet Coke, per 100g serving. USDA FoodData Central
  2. Contains aspartame and phosphoric acid. The carbonation and acidity may irritate sensitive stomachs. NHS UK

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