No Need to Stop Your Collagen Supplement at Age 84
Continue taking your collagen protein supplement—there is no evidence-based reason to discontinue it at your age, and emerging research suggests potential benefits for skin health and joint function that may support quality of life in older adults.
Why You Can Continue
The provided evidence focuses primarily on glucocorticoid-induced osteoporosis and other unrelated conditions, with no guidelines addressing collagen supplementation discontinuation in older adults. The research evidence on collagen supplements, while mixed in quality, suggests:
Potential Benefits Without Significant Harm
- Skin health improvements: Multiple studies show collagen supplementation (typically 2.5-10g daily) may improve skin hydration, elasticity, and reduce wrinkles in older adults 1, 2, 3
- Joint support: Evidence suggests collagen peptides may help with joint functionality and pain reduction, which becomes increasingly relevant with age 4
- Safety profile: No significant adverse effects have been reported in studies of oral collagen supplementation 1, 2
Important Caveats About the Evidence
The quality of collagen research is problematic. A 2025 meta-analysis revealed that when studies funded by pharmaceutical companies are excluded, collagen supplements showed no significant effect on skin hydration, elasticity, or wrinkles 5. High-quality studies similarly showed no benefit, while only low-quality studies demonstrated improvements 5. This suggests much of the positive evidence may be influenced by industry bias.
Practical Recommendation
Continue your current regimen if:
- You perceive subjective benefits (improved skin quality, joint comfort)
- You experience no side effects
- The cost is not burdensome
- You're taking a reasonable dose (2.5-10g daily based on research protocols)
Consider discontinuation if:
- You notice no personal benefit after 5 years of use
- Financial constraints make it burdensome
- You develop any unexpected symptoms
What Matters More at Age 84
Rather than focusing solely on collagen supplementation, prioritize interventions with stronger evidence for morbidity and mortality:
- Adequate protein intake: Ensure 1.0-1.2 g/kg body weight daily from whole food sources 6
- Calcium and vitamin D: Essential for bone health, especially if you have any osteoporosis risk factors 7, 8
- Physical activity: Weight-bearing and resistance exercises have strong evidence for maintaining function and preventing falls 7
The collagen supplement is unlikely to cause harm and may provide modest quality-of-life benefits, even if the evidence is not robust. At your age, quality of life considerations are paramount, and if you feel the supplement helps, continuing it is reasonable.