Quick answer
For hydrolysed collagen, a common guideline is about 1 g per 10 lb (≈2 g per 10 kg) of body weight per day — but it’s an industry rule of thumb, not a clinical dose. UC-II is different, dosed at ~10–40 mg/day regardless of weight. Always follow the product label and start low for the first week.
Two different dosing systems
Hydrolysed collagen (type I & III) acts as building blocks and is dosed by weight in grams. UC-II works through immune signalling and is effective at tiny milligram doses that don’t scale with weight (Bagchi 2002; Gupta 2012).
| Dog weight | Typical hydrolysed collagen/day |
|---|---|
| Under ~11 kg (25 lb) | ~1–2 g |
| ~11–23 kg | ~2–5 g |
| ~23–41 kg | ~5–8 g |
| Over ~41 kg | ~8–12 g |
Start low and go slowIntroduce collagen at about half the target dose for the first week to avoid loose stool. Dogs with kidney disease or on protein-restricted diets should only use it with veterinary sign-off.
Read alsoBest collagen for dogs (United Kingdom) — choose a product with the right type and dose.
Pure Majesty Pets Liquid Collagen for Dogs — actives per 2 mL
| Active | Per 2 mL |
|---|---|
| Hydrolyzed collagen peptides (Type I & III) | 462 mg |
| Undenatured type II collagen (UC-II) | 48 mg |
| Micro-emulsified salmon oil (omega-3) | ~126 mg |
| Pork bone broth concentrate | ~126 mg |
| MSM | ~63 mg |
| L-glutamine | ~52 mg |
| S. boulardii postbiotic | ~21 mg |
| Hyaluronic acid (low-MW) | ~8.4 mg |
| Vitamin C | ~4.2 mg |
| Ginger root extract | ~4.2 mg |
| Astaxanthin | ~0.5 mg |
Manufacturer-published formulation, per 2 mL daily serving. The individual actives have published canine evidence (below); the finished blend has not been trialed as a product. Introduce gradually.
Frequently asked questions
How much collagen should I give my dog?
For hydrolysed collagen, about 1 g per 10 lb (roughly 2 g per 10 kg) of body weight daily is a common guideline; UC-II is dosed much lower at ~10–40 mg/day regardless of weight. Follow the product label and start low.
Can I give my dog collagen every day?
Yes — collagen is meant for daily, long-term use. Consistency matters more than dose size; coat changes take weeks and joints take months.
Can a dog have too much collagen?
Very high amounts mainly risk loose stool and add an unnecessary protein load. Dogs with kidney disease or protein-restricted diets should be dosed only with a vet’s guidance.
Sources
- Gupta RC, Canerdy TD, Lindley J, et al. Comparative therapeutic efficacy and safety of type-II collagen (UC-II), glucosamine and chondroitin in arthritic dogs: pain evaluation by ground force plate. Journal of Animal Physiology and Animal Nutrition. 2012;96(5):770–777. doi:10.1111/j.1439-0396.2011.01166.x
- Varney JL, Fowler JW, Coon CN. Undenatured type II collagen mitigates inflammation and cartilage degeneration in healthy Labrador Retrievers during an exercise regimen. Translational Animal Science. 2021;5(2):txab084. doi:10.1093/tas/txab084
- Bagchi D, Misner B, Bagchi M, et al. Effects of orally administered undenatured type II collagen against arthritic inflammatory diseases: a mechanistic exploration. International Journal of Clinical Pharmacology Research. 2002;22(3–4):101–110. PMID:12837047
Veterinary disclaimer. Educational content only, not veterinary advice. Collagen is a food supplement, not a medicine, and is not a treatment for arthritis or any disease. Speak to your vet before starting any supplement, especially if your dog has kidney disease, is on a protein-restricted diet, or has food allergies. Check availability and shipping to the United Kingdom for any specific product.