NUTRITIONAL LOG

The Truth About Ketchup

A Deep-Research Journal

Dr. Aria Vance
Dr. Aria Vance Lead Nutrition Data Scientist
Last Reviewed: Jun 3, 2026 • Data Sources: USDA FoodData Central, NutriSnap Volumetric Models

Structured Nutritional Journal

Ketchup - Nutritional Profile

Energy
112 kcal
Protein
1.77 g
6% of calories
Carbohydrates
28.6 g
Fiber: 1.7 g Sugars: 23.4 g
Fat
0.2 g
Saturated: 0g Trans: 0g

Calorie Distribution Ratio

Protein (6%)
Carbs (93%)
Fat (1%)

Key Micronutrients

Vitamin C (~4 mg/100g) Vitamin A RAE (~5 mcg/100g) Vitamin K (~10 mcg/100g). 💎 Minerals: Sodium (~1117 mg/100g), Potassium (~282 mg/100g), Phosphorus (~37 mg/100g), Magnesium (~11 mg/100g), Iron (~0.42 mg/100g).

Biochemical Impact

Glycemic Index (GI) Moderate to High (estimated 55-65), primarily due to significant sugar content.
Glycemic Load (GL) per serving: Low (approx. 2.1 per 1 Tbsp) for typical usage, but cumulative with larger portions.
Satiety Score Low. High sugar, low protein, fat, and fiber content contribute to minimal satiating effect.

Physical Volumetrics

Density: Approximately 1.18 g/cm³ at room temperature. Ketchup exhibits pseudoplastic (shear-thinning) non-Newtonian fluid behavior.
Volumetric Contraction/Expansion: Minimal to none when used as a condiment. Significant contraction observed only when integrated into extended heat applications within larger dishes where water evaporation occurs.

Citations & References

  • Vitamins: Vitamin C (~4 mg/100g), Vitamin A RAE (~5 mcg/100g), Vitamin K (~10 mcg/100g).
  • Minerals: Sodium (~1117 mg/100g), Potassium (~282 mg/100g), Phosphorus (~37 mg/100g), Magnesium (~11 mg/100g), Iron (~0.42 mg/100g).
  • Antioxidants: Lycopene (from tomatoes) is the predominant carotenoid and antioxidant.

Field Notes: Dr. Aria Vance

Subject: Ketchup
Focus: Volumetric expansion/contraction, historical context, tracking challenges.

Why Ketchup Is Difficult to Track

Dr. Aria Vance, Lead Nutrition Data Scientist, NutriSnap

Ketchup. Just... ketchup. It sits there, unassuming, on countless tables, a crimson tide ready to engulf fries, hot dogs, eggs even. But beneath that innocent veneer, it's a data scientist's nightmare, a silent saboteur of dietary precision. We track protein, carbs, fats with obsessive zeal, yet this ubiquitous condiment often slips under the radar, unmeasured, unlogged.

The history alone is a wild ride, from a pungent, fermented fish sauce in ancient China—imagine that!—to the sweet, viscous tomato emulsion dominating tables worldwide today. Its evolution, particularly in America with Henry J. Heinz's pioneering efforts, transformed it into a sweet-and-sour marvel. A culinary chameleon, really. This rich cultural tapestry, however, doesn't simplify nutritional analysis.

Manual tracking? It’s a farce. Who measures a squirt? A tablespoon? Seriously? We're often squeezing directly from a bottle, or worse, tearing open those tiny restaurant packets, each a mystery in itself – 10 grams? 12? The cumulative effect is staggering, yet largely ignored. People diligently log their main course but completely overlook the ruby red deluge they've added. It's the ultimate stealth bomber of hidden sugars and sodium, delivering its payload without a thought from the consumer. My own observations confirm: visual estimation of ketchup is among the most inaccurate of all food items, wildly underestimated almost every single time. The blob just looks... right.

This behavioral blind spot, coupled with the sheer impracticality of weighing or measuring every dollop, makes accurate tracking of this beloved condiment near impossible for the average user. It’s tedious. It’s frustrating. People quit. But this is exactly where NutriSnap shines. Our AI doesn't care about your gut feelings or your hurried squeeze. It sees the volume, the density, the actual serving on the plate. Forensic visual analysis. Just snap it. No more frantic scale-wielding over a fries plate; NutriSnap eliminates the guesswork, transforming ketchup from a data black hole into a quantifiable component of your daily intake. Finally.

Explore More Research

Read about Caramel →Read about Pepper →Read about Soybean Oil →

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