A Data Visualization of Calorie and Protein Content of Various Protein-based Foods

The DataIsBeautiful subreddit is a thriving hub for data enthusiasts, boasting over 21 million members passionate about visualizations. What truly distinguishes this community is the captivating blend of wisdom and humor found in the comments section. The feedback from the community is a delightful blend of insightful observations and witty, snarky remarks.

The creator's on how to read this scatter plot chart, Protein vs. Calorie Density: A Visual Guide, shown below.

On the axis, as you move towards the right, the food becomes more calorie-dense. Similarly, moving upwards indicates increasing protein density.

Consequently:

Top left indicates foods with high protein content per calorie and low calorie count per 100g.

Bottom right represents foods with low protein content per calorie but high overall calorie count per 100g.

Top right denotes foods with high protein content per calorie and high calorie count per 100g.

Bottom left signifies foods with low protein content per calorie and low calorie count per 100g.


The comments section has some good observations & feedback:
  • The axes are not well-defined or useful, making it difficult to interpret the data accurately. It is suggested that standardizing both axes to 100g of food would be more appropriate.
  • The data sources are not cited, which makes it challenging to verify the information presented.
  • The chart is described as "inaccurate" and "difficult to read" due to the way the scales are set up. It is suggested that presenting the data as protein/100g vs. kcal/100g would be more intuitive.
  • There are inconsistencies in the data, with some entries appearing to be incorrect or imprecise.
  • The chart does not account for differences in bioavailability and quality of protein, as well as the caloric densities of different nutrients.
  • The use of broad categories like "chicken" and "protein bar" is criticized, as it does not provide specific enough information to be accurate. Whey protein concentrate or isolate has a very different nutritional profile than unaltered whey.  Chicken breast is super protein dense. Thighs with skin, not so much.
  • There are inconsistencies in the way similar foods are presented, such as using uncooked pasta vs. cooked quinoa.
  • Pea protein ~ 23%, Gluten flour (seitan) ~ 18%, Texturized Vegetable Protein ~ 14% were pointed out as notable exclusions.
  • Quark, also known as curd cheese, is a dairy product with a consistency similar to dry cottage cheese. It has a smooth texture without the lumpiness of cottage cheese and can be compared to a thicker version of yogurt. Quark is also commonly used in pastries in Switzerland and other parts of Europe, as well as Central Asia. It is considered a protein-rich food source and offers a lighter alternative to cream cheese in recipes such as cheesecakes. In Sweden, Quark (kvarg) is popular and has a smooth texture. Magerquark, a low-fat German Quark variant, is high in protein, providing 60g per 500g serving with around 350 kcal. 
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