Peer-reviewed study
Whey works best when paired with training context
Improving sarcopenia in older adults: a systematic review and meta-analysis of randomized controlled trials of whey protein supplementation with or without resistance training
Kris Oddo, NASM-certified personal trainer, is the founder and head coach of Gains From Geebs (Geebs Coaching), a 1:1 online fitness coaching practice.
Quick answer
What this study found
For older adults, protein is not just a macro target. It can support daily function when paired with resistance training.
How strong is this kind of study?
- Reviews of many studiesThis study
- Controlled trials
- Observational
- Narrative reviews
Systematic review and meta-analysis of RCTs. Heavier plates are built from more studies, so they move less when the next one lands.
At a glance
What kind of study this is
Strongest evidence
This pools results from many separate studies, so it carries more weight than any single trial on its own.
- Design
- Systematic review and meta-analysis of RCTs
- Published
- 2024
- Journal
- The Journal of Nutrition, Health and Aging
- Reference
- PMID 38350303
Honest limits
What this study does not prove.
Sarcopenia is a medical condition, so screening and treatment decisions belong with qualified clinicians.

Kris's practical takeaway
Here's what to do with it.
For older adults, protein is not just a macro target. It can support daily function when paired with resistance training.
Ways to use it
Safe ways to apply it.
Protein is aging infrastructure
Whey is a tool, not the whole plan
Keep strength in the protein conversation
Related Equipment & Protocols
Supporting store & training resources
To put these findings into practice with targeted nutrition and training gear, explore the Titan Forge Advanced 100% whey protein isolate.
Related questions
Questions this research helps answer.
Collagen peptide answer
Do collagen peptides build muscle?
Collagen peptides are not the same as whey protein and are not a complete muscle-building shortcut. Their evidence fits recovery and connective-tissue questions better, while muscle growth still depends on progressive training, total protein, calories, and sleep.
Protein timing answer
Does protein timing matter for muscle?
Protein timing can matter at the margins, but most regular people should fix total daily protein first. A consistent protein floor beats panic about a perfect post-workout window.
Protein supplement answer
Which protein supplement is best for muscle?
The best protein supplement is the one that helps you hit total protein while training hard. Supplement rankings are less important than the base pattern: consistent lifting, enough daily protein, and meals you can repeat.
Protein source answer
Is plant protein as good as animal protein for muscle?
Plant protein can work, but the plan may need more precision. Total protein, source variety, protein quality, and resistance training matter more than arguing about one perfect food.
Related guides and studies
Keep learning about nutrition.
FAQ
Quick questions
What is the practical takeaway from this study?
For older adults, protein is not just a macro target. It can support daily function when paired with resistance training.
What does this study not prove?
Sarcopenia is a medical condition, so screening and treatment decisions belong with qualified clinicians.
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