amino acid
Hydroxyproline supplements
Half of the 39 hydroxyproline supplements in the NIH label database that print an amount list 559 mg or less per serving; the middle half list 239.5 mg to 1,476 mg (DSLD version 9.4.0, January 2026).
- Products listing it
- 4439 print an amount; 5 list it inside a blend without an amount
- Median per serving
- 559 mgmiddle half 239.5 mg to 1,476 mg
How much hydroxyproline do supplements contain?
The median product lists 559 mg per serving. One in ten lists 30 mg or less, one in ten 1,816 mg or more. The amount printed most often is 1,476 mg (7 products).
Products by amount of hydroxyproline per serving
39 products, log scale; extreme 0.2% at each end left out of the drawing.
| Amount per serving | Products | For example |
|---|---|---|
| 1,476 mg | 7 | Collagen Hydrolysate Apple + Cucumber Flavored (Great Lakes Gelatin Co.); Collagen Bone Hydrolysate Unflavored (Great Lakes Gelatin); Pork Gelatin Unflavored (Great Lakes Gelatin) |
| 26 mg | 2 | Aminotropic Fuel (Vitamin World); Liquid Amino Acids (Wonder Laboratories) |
| 30 mg | 2 | Amino Acid Complex (Indiana Botanic Gardens); Liquid Amino Acids (DC) |
| 223 mg | 2 | Amino 1000 (Precision Engineered) |
| 250 mg | 2 | Vegan Essential Aminos Cola (ATP Science); Vegan Essential Aminos Raspberry (ATP Science) |
| 446 mg | 2 | Arsenal Training Packs (MET-Rx); Training Packs (Precision Engineered) |
| 1 mg | 1 | |
| 100 mg | 1 | Natural Skin Formula (SuperSmart) |
| 183 mg | 1 | Amino Acids (Enriching Gifts) |
| 229 mg | 1 | Animal Pak (Animal) |
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most hydroxyproline?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Amino 2400 Wild CherryMET-Rx2,934 mg
- Hydrolyzed Protein Collagen Decadent ChocolateBody Kitchen2,810 mg
- Collagen Hydrolysate Apple + Cucumber FlavoredGreat Lakes Gelatin Co.1,476 mg
- Collagen Bone Hydrolysate UnflavoredGreat Lakes Gelatin1,476 mg
- Pork Gelatin UnflavoredGreat Lakes Gelatin1,476 mg
- Sheer Collagen Peptides UnflavoredSheer Strength Labs Platinum Series1,254 mg
- Collagen Pure UnflavoredOpportuniteas1,231 mg
- Advanced Collagen Peptides UnflavoredForestLeaf1,230 mg
In which products and brands?
Products listing hydroxyproline by DSLD product type
Brands listing it most: MET-Rx (5), Great Lakes Gelatin Co. (5), Precision Engineered (3), ATP Science (2), Everyday Dose (2), Great Lakes Gelatin (2), Good 'N Natural (2), Bronson (1), Vitamin World (1), Wonder Laboratories (1).
Every product listing hydroxyproline
44 products, A to Z by name (page 1 of 1), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Advanced Collagen Peptides UnflavoredForestLeaf1,230 mg
- Amino 1000Precision Engineered223 mg
- Amino 1000Myology · off the market223 mg
- Amino 2400 Wild CherryMET-Rx2,934 mg
- Amino 3000MET-Rx335 mg
- Amino Acid ComplexIndiana Botanic Gardens30 mg
- Amino AcidsEnriching Gifts183 mg
- Amino AllNutri-West654 mg
- Aminotropic FuelVitamin World26 mg
- Animal PakAnimal229 mg
- Arsenal Training PacksMET-Rx446 mg
- Children's Vita-Multi Mango FlavorMountain Meadow Herbs Kidsin a blend
- Collagen Bone Hydrolysate UnflavoredGreat Lakes Gelatin1,476 mg
- Collagen DrinkHigher Naturein a blend
- Collagen Hydrolysate Apple + Cucumber FlavoredGreat Lakes Gelatin Co.1,476 mg
- Collagen Hydrolysate Lemon + Lime FlavoredGreat Lakes Gelatin Co. · off the market1,476 mg
- Collagen Hydrolysate Mixed Berry FlavoredGreat Lakes Gelatin Co. · off the market1,476 mg
- Collagen Hydrolysate Pure Unflavored ProteinGreat Lakes Gelatin Co. · off the market1,476 mg
- Collagen Hydrolysate Vanilla FlavoredGreat Lakes Gelatin Co. · off the market1,476 mg
- Collagen Peptides Natural UnflavoredFREZZOR843.2 mg
- Collagen Pure UnflavoredOpportuniteas1,231 mg
- Hardcore Amino 3000MET-Rx378 mg
- Hi-Test Amino Liquid Wild CherryMET-Rx · off the market1,792 mg
- High Plains Collagen HydrolysateSwanson Premium Brand · off the market512 mg
- Hydrolyzed Protein Collagen Decadent ChocolateBody Kitchen2,810 mg
- Light Yellow Oval Tablet Amino AcidBronson · off the market1 mg
- Liquid Amino AcidsWonder Laboratories26 mg
- Liquid Amino AcidsDC30 mg
- Liquid AminosPrecision Engineered · off the market1,995 mg
- Liquid AminosGood 'N Natural · off the market1,739 mg
- Liquid Aminos Wild Cherry FlavorGood 'N Natural · off the market1,912 mg
- Liquid Collagen Complex Healthy Hair, Skin & Nails Delicious Grape FlavorRejuviCarein a blend
- Mushroom Coffee+Everyday Dose520 mg
- Mushroom Matcha+Everyday Dose559 mg
- My AminoplexCrayhon Research · off the market540 mg
- Natural Skin FormulaSuperSmart100 mg
- NZURI ElixirNZURIin a blend
- Pork Gelatin UnflavoredGreat Lakes Gelatin1,476 mg
- Pro-Shake 19 Natural Vanilla Protein PowderDouglas Laboratories823 mg
- Pure ProteinProfessional Botanicalsin a blend
- Sheer Collagen Peptides UnflavoredSheer Strength Labs Platinum Series1,254 mg
- Training PacksPrecision Engineered446 mg
- Vegan Essential Aminos ColaATP Science250 mg
- Vegan Essential Aminos RaspberryATP Science250 mg