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Collagen for Over 50s: Muscle, Joints, Bone and Skin After Fifty

Man in his fifties checking skin elasticity on his forearm

After 50, collagen is no longer a beauty supplement. It is structural maintenance. By this age your body makes roughly 25% less collagen than it did at 25, muscle loss accelerates to around 1% a year, and joints, tendons and bone all repair more slowly than they are worn. The trials that matter for this decade were mostly run in people over 50: 15g of collagen with strength training rebuilt muscle and strength in men aged 72, 5g to 10g reduced joint pain in adults with early osteoarthritis, and 5g for a year improved bone density in postmenopausal women.

This guide is for anyone in their 50s, 60s or 70s who wants to keep training, walking, gardening and lifting grandchildren without the aches winning. It covers what changes after 50, what the evidence supports for each tissue, and a simple daily plan built around one 20g sachet.

Quick answer: collagen after 50

  • Muscle: 15g daily + resistance training, 12 weeks (men aged 72, Zdzieblik 2015)
  • Joints: 5g to 10g daily, 12 to 24 weeks
  • Bone: 5g daily, 12 months (postmenopausal women, König 2018)
  • Skin: 2.5g to 10g, 8 to 12 weeks (women 45 to 65)
  • Tendons: 5g to 15g before loading, 3 to 6 months
  • One 20g sachet a day covers all of it, alongside adequate total protein and two strength sessions a week

What changes after 50

  • Collagen synthesis falls by about 1% a year from the mid-twenties, faster in women after menopause. Skin thins, tendons stiffen and lose elasticity, cartilage repairs slowly.
  • Muscle loss (sarcopenia) accelerates, from around 0.5% a year in the 40s to 1% or more after 60, and the muscle that remains responds less to protein (anabolic resistance), so the same meal builds less muscle than it did at 30.
  • Bone density declines, sharply in women in the decade after menopause, more gradually in men.
  • Protein needs rise, intake usually falls. Guidance for older adults is 1.2g to 1.6g of protein per kilo of body weight, above the 0.75g general recommendation, yet appetite and portion size tend to shrink.

Muscle: the trial in 72-year-old men

The most relevant study for this age group is Zdzieblik 2015. 53 men with an average age of 72 and diagnosed sarcopenia did resistance training three times a week for 12 weeks and took either 15g of collagen peptides or a placebo daily. The collagen group gained about 4kg of fat-free mass versus 2.9kg for placebo, lost more fat, and gained more strength. Collagen is not a complete protein and should sit on top of adequate total intake, but in older adults who struggle to eat enough, an easy 20g of protein that also serves connective tissue is worth a lot. See collagen vs whey.

Joints: early osteoarthritis

Knee and hip osteoarthritis symptoms usually start in this decade. In 250 adults with knee osteoarthritis, 10g of collagen hydrolysate daily for 6 months improved pain scores, most in those with the worst starting pain (Benito-Ruiz 2009). In active adults with knee discomfort, 5g for 12 weeks reduced activity-related pain. Combined with strength training for the quads and hips, which is the single best non-drug treatment for knee osteoarthritis, this is a reasonable first step before injections or surgery are discussed. Full detail: does collagen help joint pain.

Bone: the 12-month trial

131 postmenopausal women with low bone density took 5g of collagen peptides daily for a year and gained density at the spine and hip while placebo lost it (König 2018), with gains continuing over 4 years. Men lose bone too, more slowly, and there is no reason the mechanism differs. Collagen sits alongside calcium, vitamin D and impact exercise. Full detail: collagen for bone density.

Skin, hair and nails

A 2019 trial in women aged 45 to 65 found 2.5g of collagen peptides daily improved skin hydration, elasticity and density at 12 weeks, matching earlier trials in younger women. Nail brittleness, common after 50, improved at 2.5g over 24 weeks. Hair evidence is weak in any age group. See collagen for hair and nails.

Tendons and staying injury-free

Tendon stiffness and Achilles or shoulder problems are the classic over-50 training injuries. Collagen taken 30 to 60 minutes before loading exercise increased tendon size and stiffness and improved Achilles tendinopathy in trials. The protocol is in collagen for tendonitis.

A daily plan for the over-50s

  1. One 20g collagen sachet every day. Covers the 15g muscle dose, the 5g to 10g joint dose, the 5g bone dose and the skin dose in one. Take it before exercise on training days, with breakfast on rest days.
  2. Two strength sessions a week. Every positive muscle, tendon and bone trial included resistance exercise. Bodyweight, bands or the gym all count. Collagen without loading does much less.
  3. Protein at every meal, 25g to 40g. Older muscle needs a bigger dose per meal to respond. Collagen adds 20g to the daily total but is not complete, so keep meat, fish, eggs, dairy or soy in the meals.
  4. Vitamin D in autumn and winter, calcium from food. The bone trial participants were not deficient.
  5. Add creatine if strength is the goal. 3g to 5g daily is well studied in older adults for strength, and increasingly for cognition. KUDU Collagen + Creatine combines it with 10g of collagen.
  6. Give it 12 weeks for muscle and joints, 12 months for bone.

Start the daily 20g sachet →

KUDU liquid collagen is 20,000mg of hydrolysed bovine collagen, ready to drink, 85 calories, 0g sugar, gluten and dairy free, with a 60-day money-back guarantee. No scoops, no mixing, no chalky shake.

Collagen for over 50s: FAQs

Should I take collagen after 50?

The trials with the clearest results were run in people over 50: muscle and strength at 15g with training, joint pain at 5g to 10g, bone density at 5g over a year, skin at 2.5g. It is one of the better-supported supplements for this age group.

How much collagen should a 60 year old take?

15g to 20g a day covers every trial dose. Keep it to about a third of total protein and eat 1.2g to 1.6g of protein per kilo overall.

Does collagen help with sarcopenia?

Combined with resistance training, 15g daily for 12 weeks increased fat-free mass and strength more than training alone in men aged 72.

Is collagen safe with blood pressure or cholesterol medication?

Collagen is a food protein with no known drug interactions. Anyone with kidney disease should discuss protein intake with their doctor.

Is it too late to start collagen at 70?

No. The sarcopenia trial participants averaged 72 and responded within 12 weeks.

Related reading

Sources

  • Zdzieblik D et al. Collagen peptide supplementation in combination with resistance training improves body composition and increases muscle strength in elderly sarcopenic men. Br J Nutr 2015.
  • Benito-Ruiz P et al. Collagen hydrolysate for improving joint comfort. Int J Food Sci Nutr 2009.
  • König D et al. Specific collagen peptides improve bone mineral density in postmenopausal women. Nutrients 2018.
  • Bauer J et al. Evidence-based recommendations for optimal dietary protein intake in older people (PROT-AGE). J Am Med Dir Assoc 2013.
  • Kreider RB et al. ISSN position stand: creatine. J Int Soc Sports Nutr 2017.

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