Foods high in Hydroxyproline
Every food and ingredient below is ranked by measured Hydroxyproline content per 100 g, drawn live from 10 USDA FoodData Central measurements. Values are laboratory-analysed or survey-derived, not estimated.
Top 8 foods highest in Hydroxyproline
Ranked by Hydroxyproline per 100g, across Foundation Foods and FNDDS ingredients.
| # | Food or ingredient | Source | Per 100g (G) |
|---|---|---|---|
| 1 | Sausage, breakfast sausage, beef, pre-cooked, unprepared | Foundation Food | 0.29 |
| 2 | Flour, soy, full-fat | Foundation Food | 0.207 |
| 3 | Sausage, turkey, breakfast links, mild, raw | Foundation Food | 0.2 |
| 4 | Flaxseed, ground | Foundation Food | 0.191 |
| 5 | Flour, soy, defatted | Foundation Food | 0.176 |
| 6 | Peanut butter, creamy | Foundation Food | 0.162 |
| 7 | Almond butter, creamy | Foundation Food | 0.044 |
| 8 | Sesame butter, creamy | Foundation Food | 0.035 |
Lowest in Hydroxyproline
For contrast — the 2 lowest non-zero values on record, per 100g.
| # | Food or ingredient | Source | Per 100g (G) |
|---|---|---|---|
| 9 | Sausage, turkey, breakfast links, mild, raw | Foundation Food | 0.2 |
| 10 | Sausage, breakfast sausage, beef, pre-cooked, unprepared | Foundation Food | 0.29 |
More on Hydroxyproline
What Hydroxyproline is, how it is measured, and where these values come from.
Hydroxyproline nutrient reference →Sourced from USDA FoodData Central — Foundation Foods; not yet through an editorial verification pass.
USDA release 2026-04-30. All values are per 100 g unless stated otherwise.