PRAL Food Category List

Keith Taylor
Favorite Foodary Food Pages, Foodary.com Website
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These lists are categorized according to the What We Eat In America (WWEIA) project. So they fit neatly with advice based on the Healthy Eating Index (HEI).

Currently, I’m working on replacing old Alkaline Food Charts with new PRAL food lists. You will find these from the index table below. But if you are unfamiliar with PRAL food lists you should read Complete Acid vs Alkaline Food Charts first.

Note, this is an ongoing task. So it’s best to subscribe to my free update service. Then I’ll email you as I publish each new PRAL food list.

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What Is A Food Category List

The food category list is an overview of different food categories for modern food nutrition tables. The category list introduces individual PRAL food lists. Because those lists are a good way to:

  • Analyze your current eating patterns. Measuring the PRAL index for your current food intake (PRAL Index is synonymous with PRAL Score).
  • Plan better food choices. Replacing some acid-forming foods with alkalizing ones.

Both these help you discuss diet improvements with your health professionals. Which supports the Purpose of Foodary.com by providing you with science-based food facts. Also, if you and your doctor are still reliant on ash-based alkaline diet pseudoscience from the 1970s, these PRAL food lists will show you a correct way to estimate your acid load on your kidneys. Finally, you can see earlier food category lists at  Complete Acid vs Alkaline Food Charts.

PRAL Food Category List


During 2020, I am developing new tables that reflect the changes to USDA nutrient databases. So the most recent version of this list is at PRAL Food Category List.

This index uses data from NHANES 2015-2016[1].

Code
WWEIA food category code. As described in USDA PRAL WWEIA Food Category Codes
Food Category Description
Description of WWEIA food category. As described in USDA PRAL WWEIA Food Category Descriptions.
Foods
Count of food items in each list.
Reports Popularity
The number of people consuming from each category over 2 days.
Healthy Food Category Chart

Healthy Food Category Chart

Food Category List Next Steps

Alkaline Food Charts based on Standard Reference databases are outdated. So I’m creating new PRAL food lists as follows …

  • Create a PRAL Food List for each category in the index.
  • Remove the description from the old alkaline chart index
  • Delete and redirect each old alkaline chart.
  • Review the introduction to this page.
  • Replace this conclusion.

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Foodary visitor responses include:

PRAL or NEAP?

James asked:

I’m looking forward to new PRAL food charts to help me plan a more alkalizing menu. But I’ve also read about NEAP. Which is best – NEAP or PRAL?

Foodary Response to PRAL or NEAP

Up to now, I’ve used Potential Renal Acid Load as a recognized scientific measure of acid-forming and alkalizing properties of foods and drinks. Mostly because when I started, the calculation for Net Endogenous Acid Production (NEAP) was too complicated to consider. However, Frasseto and colleagues simplified the calculation in 1998[2]. Because their investigation concluded that a simpler calculation using protein and potassium intake was a close enough estimate of measured Renal Net Acid Extraction (RNEA). So their Pro/K formula for NEAP estimation is now often used in addition to or replacement for PRAL. For example, in a recent study of dietary acid load[3].
Therefore, when I compile the summary table here, I will include comparative values for daily equivalent NEAP and PRAL averages per food group.

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Food Category List References

  1. USDA, Agricultural Research Service. “What We Eat in America food categories 2015–2016.” (2018).
  2. Frassetto, Lynda A., Karen M. Todd, R. Curtis Morris Jr, and Anthony Sebastian. “Estimation of net endogenous noncarbonic acid production in humans from diet potassium and protein contents.” The American journal of clinical nutrition 68, no. 3 (1998): 576-583.
  3. Aslani, Zahra, Maryam Bahreynian, Nazli Namazi, Nitin Shivappa, James R. Hébert, Hamid Asayesh, Mohammad Esmaeil Motlagh et al. “Association of dietary acid load with anthropometric indices in children and adolescents.” Eating and Weight Disorders-Studies on Anorexia, Bulimia and Obesity (2020): 1-13.

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