How much green-lipped mussel should I give my dog?
Give a 50 lb dog 225 mg to 450 mg of green-lipped mussel powder a day; in the dog dose test, 225 mg worked as well as 450 mg. Pet Honesty Hemp Hip + Joint Health Senior Soft Chews (Chicken) gives 400 mg a day for $0.96. For the most per day, Native Pet Hip + Joint Advanced Care (powder, 30 scoops) gives 600 mg for $1.67. Both makers hold the NASC seal.
Best for most dogs
Pet Honesty Hemp Hip + Joint Health Senior Soft Chews (Chicken)
400 mg a day at the label dose for a 50 lb dog$0.96 a dayNASC seal1
Most green-lipped mussel a day
Native Pet Hip + Joint Advanced Care (powder, 30 scoops)
600 mg a day at the label dose for a 50 lb dog$1.67 a dayNASC seal2
We pick products whose label dose gives a 50 lb dog at least 225 mg a day (the half dose that worked as well in the dog dose test): the lowest cost a day and the most per day. Prices on Amazon, October 28, 2026.3–5
Green-lipped mussel a day, by weight
Powder doses from the Mars (Kal Kan) patent
Dogs with at least a 30% drop in arthritis score after 7 weeks: 64% at half dose, 50% at the full dose, 50% at double (US Patent 6,596,303).
How much green-lipped mussel by weight
Green-lipped mussel (GLM) is a shellfish from New Zealand, dried to a powder or pressed into an oil extract. The doses by weight come from a Mars (Kal Kan) patent: powder at 450 mg a day under 55 lb, 750 mg for 55 to 75 lb and 1,000 mg over 75 lb, and in its dose test of 47 dogs, half, full and double those amounts all lowered arthritis scores more than a placebo after 7 weeks (64% of dogs on the half dose had their score drop by at least 30%, against 50% on the full dose and 50% on double).4
Oil extracts are dosed lower: dogs under 55 lb got 144 mg of the oil extract a day in the same test, so compare powder to powder.4
Our picks at other weights
Each pick's own label dose, as a share of the trial dose for that weight. Both labels go up with weight, but in steps, so the share changes.
% = the label dose for that weight divided by the trial dose for that weight (450 mg at 25 lb, 450 mg at 50 lb, 750 mg at 75 lb, 1,000 mg at 100 lb).
| Pick | 25 lb | 50 lb | 75 lb | 100 lb |
|---|---|---|---|---|
| Pet Honesty Hemp Hip + Joint Health Senior Soft Chews (Chicken) · best for most dogs | 200 mg (44%) | 400 mg (89%) | 600 mg (80%) | 800 mg (80%) |
| Native Pet Hip + Joint Advanced Care (powder, 30 scoops) · most green-lipped mussel a day | 300 mg (67%) | 600 mg (133%) | 900 mg (120%) | 1,200 mg (120%) |
Green-lipped mussel calculator
Type your dog's weight. You get the trial dose and how many servings of each product it takes, with the cost per day.
What each product gives at its own label dose
These are the 10 products with green-lipped mussel in mg on the label that Amazon.com or the brand sells. Each row shows the label's own dose for a 50 lb dog and its share of the 450 mg trial dose, and what that costs a day. Most green-lipped mussel first.
Label dose = the servings the label says to give a 50 lb dog, times the green-lipped mussel in each. Trial dose takes = servings it would take to reach 450 mg a day. Giving more than the label says also raises every other ingredient in the chew. Prices on Amazon, read October 28, 2026.
| Product | GLM per serving | Label dose, 50 lb (% of 450 mg) | Label dose costs | Trial dose takes |
|---|---|---|---|---|
| Native Pet Hip + Joint Advanced Care (powder, 30 scoops) · NASC seal | 300 mg per scoop | 600 mg (133% label dose) | $1.67 a day | 1.5 scoops |
| Pet Honesty Hemp Hip + Joint Health Senior Soft Chews (Chicken) · NASC seal | 200 mg per chew | 400 mg (89% label dose) | $0.96 a day | 2.3 chews |
| YuMOVE Advanced Vet Strength Senior Hip & Joint Health Chewable Tablets (ActivEase Green Lipped Mussel) · NASC seal | 170 mg per tablet | 340 mg (76% label dose) | $1.25 a day | 2.6 tablets |
| Vet Promise Hip & Joint Glucosamine with Chondroitin, Turmeric, Green Lipped Mussel (Beef) | 50 mg per chew | 150 mg (33% label dose) | $0.28 a day | 9.0 chews |
| Chew + Heal Labs + Heal Senior Hip + Joint Advanced Formula Soft Chews (Chicken) | 50 mg per chew | 150 mg (33% label dose) | $1.25 a day | 9.0 chews |
| wonmore 30-in-1 Multivitamin Chews | 50 mg per chew | 150 mg (33% label dose) | $0.25 a day | 9.0 chews |
| Amazon Basics Dog Hip & Joint Daily Supplement Chews with Glucosamine, MSM and Green-Lipped Mussel (Duck flavor) | 50 mg per chew | 100 mg (22% label dose) | $0.50 a day | 9.0 chews |
| PetLab Co. Joint Care Chews (Pork) · NASC seal | 100 mg per chew | 100 mg (22% label dose) | $1.20 a day | 4.5 chews |
| Yuma's Glucosamine Hip & Joint Chews | 10 mg per chew | 30 mg (7% label dose) | $0.27 a day | 45 chews |
| Petsology Glucosamine Hip + Joint Soft Chews | 10 mg per chew | 30 mg (7% label dose) | $0.29 a day | 45 chews |
Source: Each brand's label; Amazon prices read October 28, 20263, 4
Want the most green-lipped mussel? Pick a powder or a chew with 200 mg or more per serving. For the best chew overall, see our best joint supplements for dogs.
What the research says
Five trials in dogs with arthritis or joint problems found some benefit from green-lipped mussel.6–10 In the Finnish trial, dogs on green-lipped mussel needed less rescue pain medicine than dogs on placebo (7% vs 27% at 8 weeks).7 A 2022 review of arthritis trials in dogs and cats found that omega-3 supplements as a group, which includes green-lipped mussel, eased pain.11 For fish oil doses, see how much fish oil to give a dog.
| Study | Dogs | GLM a day | What happened |
|---|---|---|---|
| Bui and Bierer (Waltham, 2003) | 31 dogs, 6 weeks | 0.3% of the food; no dose by weight in the paper | Arthritis score, pain and swelling improved more than on plain food |
| Hielm-Björkman (Helsinki, 2009) | 45 dogs, 8 weeks | Four 500 mg capsules (six over 88 lb) for 10 days, then two or three | Better than placebo on vet mobility and pain scores |
| Pollard (Massey, 2006) | 81 dogs, 8 weeks | — | More dogs improved than on placebo at 8 weeks, not at 4 |
| Rialland (Montreal, 2013) | 23 dogs, 60 days | In a joint diet; amount not given | Dogs put more weight on their legs on a force plate |
| Cave (Massey, 2024) | 27 farm dogs, 8 weeks each | One tablet with 180 or 220 mg of mussel extract (dogs averaged 59 lb) | Slightly higher peak activity on 220 mg |
Questions people ask
- How much green-lipped mussel should I give my dog?
- In the tests in a Mars (Kal Kan) patent, dogs got 450 mg of green-lipped mussel powder a day under 55 lb, 750 mg at 55 to 75 lb, and 1,000 mg over 75 lb. Half those amounts worked about as well in its dose test. Oil extracts are dosed much lower, so follow the label for those.
- What is the best green-lipped mussel supplement for dogs?
- For most dogs, Pet Honesty Hemp Hip + Joint Health Senior Soft Chews (Chicken): 400 mg a day for a 50 lb dog at $0.96 a day. For the most per day, Native Pet Hip + Joint Advanced Care (powder, 30 scoops) gives 600 mg at $1.67.
- What are the benefits of green-lipped mussel for dogs?
- In trials of dogs with arthritis, it improved pain, swelling and mobility scores more than a placebo. Dogs also needed less rescue pain medicine.
- Does green-lipped mussel have side effects in dogs?
- The trials we read found no severe side effects. Blood tests did not change in the Finnish trial, and the 81-dog trial saw no signs of toxicity.
- Can green-lipped mussel help a dog with IVDD?
- None of the trials we read studied IVDD (a spinal disc problem). They studied dogs with arthritis or joint disease. Ask your vet about IVDD.
- How long does green-lipped mussel take to work?
- The trials ran 6 to 8 weeks. In the 81-dog trial, the difference from placebo showed at 8 weeks but not at 4. Give it at least 6 weeks before you judge it.
Notes and sources
- The trials that report weights had no dog under about 37 lb, so the 25 lb row uses the under-55 lb dose.
- Green-lipped mussel per serving and the dose by weight come from each brand's label, read October 2026. See how we do the math.
- Product photos come from Amazon.
- Prices checked on Amazon October 28, 2026. Published .
Sources
- Pet Honesty label: Hemp Hip + Joint Health Senior Soft Chews (Chicken), read October 2026.
- Native Pet label: Hip + Joint Advanced Care (powder, 30 scoops), read October 2026.
- Prices: Amazon product data, read October 28, 2026. Cost per serving = listing price divided by the servings in the container.
- Bui LM, Bierer TL, et al., US Patent 6,596,303, "Pet food for maintenance of joint health and alleviation of arthritic symptoms in companion animals," Kal Kan Foods (Mars), granted 2003 (GLM powder 450 mg a day under 55 lb, 750 mg 55 to 75 lb, 1,000 mg over 75 lb; dose test at half, full and double), read October 28, 2026.
- NASC Quality Seal: from the National Animal Supplement Council's own member list and the seal on each label, read October 2026.
- Bui LM, Bierer TL (Waltham USA), "Influence of green lipped mussels (Perna canaliculus) in alleviating signs of arthritis in dogs," Veterinary Therapeutics, 2003;4(4):397-407 (31 dogs, 6 weeks, 0.3% GLM powder in the food; Mars), read October 28, 2026.
- Hielm-Björkman A, Tulamo RM, Salonen H, Raekallio M, "Evaluating Complementary Therapies for Canine Osteoarthritis Part I: Green-lipped Mussel (Perna canaliculus)," Evidence-Based Complementary and Alternative Medicine, 2009;6(3):365-373 (45 dogs, 8 weeks; funded by Finnish foundations, and the maker supplied the capsules), read October 28, 2026.
- Pollard B, Guilford WG, Ankenbauer-Perkins KL, Hedderley D, "Clinical efficacy and tolerance of an extract of green-lipped mussel (Perna canaliculus) in dogs presumptively diagnosed with degenerative joint disease," New Zealand Veterinary Journal, 2006;54(3):114-118 (81 dogs), read October 28, 2026.
- Rialland P, Bichot S, Lussier B, et al., "Effect of a diet enriched with green-lipped mussel on pain behavior and functioning in dogs with clinical osteoarthritis," Canadian Journal of Veterinary Research, 2013;77(1):66-74 (23 dogs; grant from Medi-Cal/Royal Canin, which made the food), read October 28, 2026.
- Cave N, Bolton S, Cogger N, "A pilot study to detect the effects of a green-lipped mussel (Perna canaliculus) nutraceutical on working farm dogs with musculoskeletal abnormalities using accelerometry," New Zealand Veterinary Journal, 2024 (27 dogs; funded by Lintbells), read October 28, 2026.
- Barbeau-Grégoire M, Otis C, Cournoyer A, et al., "A 2022 Systematic Review and Meta-Analysis of Enriched Therapeutic Diets and Nutraceuticals in Canine and Feline Osteoarthritis," International Journal of Molecular Sciences, 2022;23(18):10384, read October 28, 2026.
Labels for the products in the tables
- Amazon Basics: Dog Hip & Joint Daily Supplement Chews with Glucosamine, MSM and Green-Lipped Mussel (Duck flavor).
- Chew + Heal Labs: + Heal Senior Hip + Joint Advanced Formula Soft Chews (Chicken).
- Native Pet: Hip + Joint Advanced Care (powder, 30 scoops).
- Pet Honesty: Hemp Hip + Joint Health Senior Soft Chews (Chicken).
- PetLab Co.: Joint Care Chews (Pork).
- Petsology: Glucosamine Hip + Joint Soft Chews.
- Vet Promise: Hip & Joint Glucosamine with Chondroitin, Turmeric, Green Lipped Mussel (Beef).
- YuMOVE: Advanced Vet Strength Senior Hip & Joint Health Chewable Tablets (ActivEase Green Lipped Mussel).
- Yuma's: Glucosamine Hip & Joint Chews.
- wonmore: 30-in-1 Multivitamin Chews.