Which collagen should I take after 50?

After age 50, the collagen you choose depends on your goal, not your age. Women lose about 30% of their skin collagen within the first 5 years of menopause, then about 2% per year (Climacteric journal, 2022).

Which collagen should you choose according to your goal?

No collagen—whether marine, bovine, or eggshell—carries an authorized health claim in the European Union. Regulation (EU) No 432/2012 does not recognize any effect for collagen itself. It is the associated nutrients that carry legal statements.

The table below summarizes what is actually permitted by regulation, goal by goal.

Your goal	Nutrient carrying the claim	Authorized wording	Dosage condition
Bone mineral density after menopause	Calcium and vitamin D	Contribute to reducing the loss of bone mineral density in postmenopausal women	At least 400 mg of calcium and 15 µg of vitamin D per daily serving
Daily bone health	Calcium, vitamin D, vitamin K	Contribute to the maintenance of normal bones	According to Regulation 1924/2006 thresholds
Muscle mass	Proteins, vitamin D	Contribute to the maintenance of normal muscle mass	Significant source of protein
Collagen formation (skin, bones, cartilage)	Vitamin C	Contributes to normal collagen formation for the normal function of skin, bones, and cartilage	At least 12 mg per serving, i.e., 15% of the NRV
Intake of collagen itself	None	No authorized claim	N/A

A brand that promises you a quantified result on wrinkles or joints thanks to collagen is stepping outside the European framework. We prefer to give you the guide to interpretation rather than a promise.

What menopause really changes

The loss of skin collagen after age 50 is correlated with the duration of estrogen deficiency, not chronological age. A woman who reaches menopause early loses it faster than a woman of the same age who is still menstruating.

The mechanism is well-documented. Estrogens stimulate fibroblasts, the dermal cells that produce collagen and elastin. When their levels drop, synthesis slows down while degradation continues.

The review published in Climacteric in 2022 describes a decrease of about 30% in skin collagen over the first 5 years following menopause, followed by a decline of about 2% per year over the following 15 years.

This dynamic explains a common experience: the skin seems to change in a few months rather than gradually. It also explains why routines that worked at 40 seem to be less effective.

If you are looking for connective matrix support without marine ingredients, here is the formula we offer.

Skin: two dosage logics, not a hierarchy

Two families of products coexist for skin health, with dosage logics that have no relation to one another. Comparing them by the gram of collagen makes no sense.

• Hydrolyzed collagen peptides (marine or bovine): purified and fragmented protein, dosed at 5 to 10 g per day, most often in powder form.
• Eggshell membrane: whole connective tissue reduced to powder, dosed at 300 to 600 mg per day, in capsules. It provides collagen, elastin, hyaluronic acid, and glycosaminoglycans in their natural proportions.

A randomized trial published in Nutrients in 2022 compared 300 and 500 mg of membrane per day for 8 weeks and observed a dose-dependent response on the measured criteria.

In 2025, a trial conducted on 100 women aged 25 to 60 at 600 mg per day for 12 weeks reported no adverse effects.

These studies focus on specific extracts in specific populations. They document the ingredient and do not constitute an authorized health claim for a given product.

Bones and muscles: what collagen does not claim

Regarding bone mineral density, the only authorized wording in Europe concerns calcium and vitamin D, not collagen. Regulation (EU) No 1228/2014 strictly governs this claim.

It can only be used for supplements providing at least 400 mg of calcium and 15 µg of vitamin D per daily serving, and it is specifically aimed at women aged 50 and over.

The text also requires indicating that the effect is obtained with an intake of at least 1,200 mg of calcium per day, from all sources combined.

The legal statement also specifies that low bone mineral density depends on several risk factors, and that modifying one of them is not always sufficient.

A randomized trial published in 2025 in postmenopausal women compared four groups over 6 months: placebo, calcium and vitamin D, 5 g of marine collagen peptides, and a combination of both.

The authors observed no significant changes in bone markers between the groups. This result is worth knowing, because it contradicts the sector's prevailing narrative.

An older trial, published in Nutrients in 2018 in 131 postmenopausal women, had measured a favorable evolution in bone density after 12 months at 5 g per day.

The results therefore do not converge. Collagen does not replace calcium, vitamin D, or a sufficient protein intake.

Our vegetarian collagen contains neither calcium nor vitamin D. It does not fall under this claim, and we do not present it as a solution for bone health.

Choosing a fish-free collagen after age 50

Marine collagen dominates the market, which poses a concrete problem for three profiles: people allergic to fish, shellfish, or mollusks; vegetarians; and those who simply refuse marine-sourced products.

Two alternatives exist, and only one actually contains collagen.

• Eggshell membrane: real collagen, obtained without slaughter. Suitable for ovo-vegetarian diets. Contains egg, a mandatory declarable allergen.
• So-called "vegan" boosters: blends of glycine, proline, and hydroxyproline. They do not contain collagen and are suitable for strict vegan diets and people allergic to eggs.

Always check the allergen line. Some formulas combine egg membrane and marine collagen without highlighting it in the product name, which makes them incompatible with a vegetarian diet.

A third useful habit after age 50: check the vitamin C content of the formula. From one product to another, it goes from 12 mg to 80 mg per daily dose (15% to 100% of the NRV) for the same amount of membrane.

To compare available brands, see our comparison of vegetarian collagens.

What a supplement cannot replace

After age 50, the most well-documented levers for connective tissues are not found in a capsule. Mentioning them honestly is part of our job.

• Sun protection: exposure to ultraviolet rays remains the primary preventable factor in skin aging.
• Protein intake: proteins contribute to the maintenance of normal muscle mass, and requirements increase with age.
• Physical activity, particularly resistance training, which stresses bones and muscles.
• Sleep and quitting smoking, two factors associated with dermis quality.
• Medical follow-up: vitamin D testing, bone density scans, and gynecological monitoring, according to your doctor's recommendations.

A supplement is an addition to these levers. It does not compensate for them, and no study claims otherwise.

A note on timing: published trials measure their results after 8 to 12 weeks of daily intake. Count on at least 2 months before evaluating a course, regardless of the chosen collagen source.

Frequently asked questions

At what age should one start a collagen course?

No age threshold is supported by solid data. Published trials usually recruit from age 25 for the skin and age 40 for joints.

Is collagen suitable during menopause?

A dietary supplement does not change hormonal status and is not part of menopause management. Speak to your doctor if you are undergoing treatment.

Marine, bovine, or eggshell: which is the most effective?

No direct comparison between these three sources makes it possible to decide. The choice depends on your constraints: allergies, diet, dosage form, and budget.

Should one take collagen for life after 50?

Published trials last from 8 weeks to 12 months. No data documents continuous intake beyond that, leaving this decision to your doctor.

Can collagen interact with treatments?

Report any new supplement to your doctor or pharmacist, especially if you are on long-term medication. A dietary supplement is not a medicine.

Capsules or powder after age 50?

The form depends on the dosage: peptides are taken as powder because they are dosed in grams; egg membrane in capsules because it is dosed in milligrams.

Should collagen be combined with other nutrients?

Vitamin C is the only nutrient that carries a claim related to collagen formation. Check that it is included in the formula and at what percentage of the NRV.

Studies cited

• Blume-Peytavi U., Atkin S., Gieler U. et al. "Skin, hair and beyond: the impact of menopause". Climacteric, 2022. Consult
• Cánovas F., Abellán-Ruíz M.S., García-Muñoz A.M. et al. "Randomised Clinical Trial to Analyse the Efficacy of Eggshell Membrane to Improve Joint Functionality in Knee Osteoarthritis". Nutrients, 2022, 14(11), 2340. Consult
• Park M., Won K., Lee J.H. et al. "Effects of oral supplementation with eggshell membrane (Ovoderm®-AS) on skin health: A randomized, double-blind, placebo-controlled trial". Journal of Functional Foods, 2025, 127, 106713. Consult
• "Calcium and Vitamin D Supplementation with and Without Collagen on Bone Density and Skin Elasticity in Menopausal Women: A Randomized Controlled Study". Clinics and Practice, 2025, 15(9), 168. Consult

Regulatory and supplementary sources

• Regulation (EU) No 432/2012 establishing the list of authorized health claims. Consult
• Regulation (EU) No 1228/2014 authorizing the claim regarding calcium, vitamin D, and bone mineral density loss in postmenopausal women.
• Regulation (EU) No 1169/2011, Annex II: mandatory declarable allergens.
• König D., Oesser S., Scharla S. et al. "Specific Collagen Peptides Improve Bone Mineral Density and Bone Markers in Postmenopausal Women". Nutrients, 2018, 10(1), 97. Consult

A dietary supplement is not a medicine. It is part of a healthy lifestyle and cannot replace a varied and balanced diet.

The works cited do not constitute authorized health claims within the meaning of Regulation (EC) No 1924/2006 and do not prejudge any individual result.