Micronutrients & recovery
Hydrolysis of dairy proteins increases amino acid bioavailability and peak concentration compared to non-hydrolyzed forms, whereas hydrolysis of collagen proteins does not significantly alter bioavailability compared to non-hydrolyzed forms.
You do not necessarily need expensive hydrolyzed collagen peptides. This study found that standard gelatin (non-hydrolyzed) provided similar amino acid bioavailability to hydrolyzed collagen. However, for dairy proteins, hydrolyzed versions do absorb faster and reach higher peaks. If you are using dairy protein for post-workout recovery, hydrolyzed might be slightly better, but for collagen, standard gelatin is a cost-effective alternative.
Although there were several differences in the bioavailability of hydrolysed compared to non-hydrolysed proteins, this only reached statistical significance within the dairy proteins, but not for collagen proteins.
Why this rating
Clear statistical distinction between dairy and collagen processing effects.
Source
Plasma Amino Acid Concentrations After the Ingestion of Dairy and Collagen Proteins, in Healthy Active Males
Rebekah Alcock et al. · Frontiers in Nutrition · 2019
DOI 10.3389/fnut.2019.00163
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