Skip the front of the jar and go straight to the ingredient panel. A clear dog joint supplement label names every active ingredient with its own amount per chew, tells you how many chews your dog gets for their weight, and lists everything else that goes into the chew. If several actives share one total under a "blend" or "complex," you can't tell how much of each one your dog is actually getting.
Below is a step-by-step way to read any joint supplement label. We use the Everhound Hip & Joint label as the worked example, since it's the one we can walk through line by line.
What a joint supplement label should tell you
Pet food labels follow a familiar checklist. The Association of American Feed Control Officials (AAFCO) lists what a pet food label must carry: product and brand name, the species it's for, the quantity in the package, a guaranteed analysis, an ingredient list in descending order by weight, a nutritional adequacy statement, feeding directions, and the name and address of the manufacturer or distributor.
Supplements work a little differently. The same AAFCO label guide notes that supplements are exempt from the nutritional adequacy statement, so you won't see "complete and balanced" on a joint supplement, and that's normal. AAFCO also says animal supplements are not like human dietary supplements, and that owners should talk to their veterinarian before adding one.
On a joint supplement, the useful information usually sits in three places:
- The active ingredients panel. Each active and its amount per serving. Some brands call it Product Facts; others say "active ingredients per chew."
- The directions. How many chews a day, usually by weight, and whether to give them with food.
- The inactive ingredients. The flours, oils, flavors, and preservatives that make up the rest of the chew.
Read the label in six steps
- Check the species. A glucosamine tablet made for people is a different product, with different amounts and directions. Stick to a label written for dogs.
- Find the serving unit. Amounts may be listed per chew, per two chews, or per scoop. Every number on the panel depends on it.
- Read each active and its amount. You want a name and a number on every line: "glucosamine HCl 200 mg," not just "glucosamine."
- Note the form. The words around the name matter. Glucosamine HCl and glucosamine sulfate are different forms, turmeric root powder is not the same thing as a curcumin extract, and vitamin E is often listed in IU (international units), which can't be compared directly with milligrams.
- Do the daily math. Multiply the amount per chew by the number of chews your dog gets each day.
- Read everything else. Inactive ingredients, claims, the manufacturer's name and address, the lot number, and the best-by date.
Named milligrams vs a proprietary blend
This is the line that separates a label you can check from one you can't. A label with named milligrams prints each active with its own amount. A proprietary blend groups several actives under one combined weight, often called a "blend," "complex," "matrix," or "proprietary formula," and doesn't say how that total is split.
Picture a panel (a made-up example) that reads "Joint Support Complex, 500 mg: glucosamine, chondroitin, MSM, turmeric, yucca." That 500 mg could be 450 mg of glucosamine and a pinch of everything else, or mostly the cheapest ingredient on the list. From the label alone, there's no way to know.
The format comes from human supplement labeling. As Operation Supplement Safety explains, FDA rules for human dietary supplements (21 CFR 101.36) require an amount by weight for each ingredient, except inside a proprietary blend, where only the blend's total has to appear. Ingredients in the blend should be listed from most to least by weight, but their individual amounts stay private.
A 2023 commentary in The Journal of Nutrition describes the practical cost: when only the blend total is declared, the amount of any one ingredient isn't available to work out how much someone is actually taking. That paper is about human supplements, and dog supplements fall under animal feed rules instead, but the reading problem is identical on a dog chew.
| What you want to know | Named milligrams | Proprietary blend |
|---|---|---|
| How much of each active is in one serving | Printed on every line | Only the group total |
| How much your dog gets per day | Easy to work out for each active | Only for the blend as a whole |
| How two products compare | Active by active | Not reliably |
| Whether it matches an amount your vet asked for | Yes | No |
A blend isn't automatically unsafe or low quality. It's unverifiable. "Proprietary" means the split is private, not that the formula is better.
A worked example: the Everhound Hip & Joint label
Everhound Hip & Joint names all eight actives with their amounts. Here is the panel for one chew (about 2.2 g), with what to notice on each line.
| Active ingredient | Per chew | What to notice |
|---|---|---|
| Glucosamine HCl | 200 mg | "HCl" names the form (hydrochloride) |
| MSM (methylsulfonylmethane) | 100 mg | The full name is spelled out |
| Vitamin C (ascorbic acid) | 75 mg | The form is named in parentheses |
| Chondroitin sulfate | 65 mg | Its own line, not folded into a "complex" |
| Organic turmeric root powder | 50 mg | Root powder, not a concentrated curcumin extract |
| Dried yucca schidigera extract | 15 mg | Named down to the species |
| Egg shell meal (source of collagen) | 10 mg | The label says why it's there |
| Vitamin E | 25 IU | Listed in international units, not milligrams |
Now the daily math. The serving goes by weight, so a 60 lb dog gets three chews a day: 600 mg glucosamine HCl, 300 mg MSM, and 195 mg chondroitin sulfate. A 20 lb dog gets one chew and exactly the amounts in the table. The full chart by weight, and how to fit the chews into meals, is in our guide to giving joint chews with food.
Don't expect those numbers to line up with a single official target. Cornell's Riney Canine Health Center notes that there's no universal recommendation for how much of these ingredients a dog needs each day, which is one more reason to show the amounts to your vet. For what each active is and what the research looks at, see glucosamine for dogs and our science page.
Don't skip the inactive ingredients
Everything that isn't an active is the chew itself: what holds it together, gives it flavor, and keeps it fresh. On Everhound Hip & Joint that list is oat flour, palm fruit oil, rice flour, rice bran, natural duck and pea flavor, flaxseed, natural chicken flavor, sunflower lecithin, powdered cellulose (as a coating only), coconut glycerin, sorbic acid, mixed tocopherols, and rosemary extract.
On any label, look for three things here:
- Flavors and proteins your dog avoids. If your dog has a food sensitivity, check where the flavor comes from. This chew uses natural chicken flavor and natural duck and pea flavor, so ask your vet if either is a concern.
- Preservatives. A soft chew needs something to stay fresh. Here that job falls to sorbic acid, mixed tocopherols, and rosemary extract.
- What's left out. Some labels also say what isn't in the chew. Everhound Hip & Joint has no corn, soy, artificial flavors, or gumming agents.
How a chew is made doesn't show up in the ingredient list, but some brands spell it out. Ours is made with the Everhound MadeCold™ process, explained in how cold-processed chews are made.
Check the claims and the fine print
Read the claims with one rule in mind. AAFCO explains that when a supplement claims or implies it will mitigate, treat, or prevent a disease, that is a drug claim, and unapproved drug claims misbrand an animal feed product. A daily joint supplement can say it supports joints, cartilage, and mobility. A label that promises to fix arthritis is a red flag.
Then check the fine print:
- Who makes it, and where. The manufacturer's or distributor's name and address belong on the jar. Everhound Hip & Joint is made in the USA, in an SQF-certified, FDA-registered facility, with globally sourced ingredients.
- Lot number and best-by date. Handy if you ever need to ask the company about a specific jar.
- Count and guarantee. A jar of Everhound Hip & Joint holds 120 chews and comes with a 60-day money-back guarantee.
Keep the bigger picture in mind, too. Cornell points out that supplements are not regulated like medications, and products may not contain what their labels state. Its advice is to pick a brand your veterinarian recommends or one that carries the National Animal Supplement Council (NASC) seal, since NASC monitors its members to check that label ingredients match the product. Cornell also notes that overdoing it is possible, so store any joint supplement out of your dog's reach, and don't combine two products with the same actives unless your vet has looked at both labels.
Take the label to your vet
The label tells you what's in a chew. Your veterinarian tells you whether it suits your dog. AAFCO suggests knowing what your dog already gets from food, how much a supplement adds, and where the safe upper limit sits, and your vet is the person to put those together. Bring the jar or a photo of the panel, plus a list of everything else your dog takes. Our checklist of questions to ask the vet about joint chews covers the rest of that conversation.
If a daily chew is in your dog's plan, Everhound Hip & Joint shows every active and its amount on the jar, in a chicken-flavor soft chew you give with a meal. It supports joints, cartilage, and mobility, and the full label is on the product page.
FAQs
Are proprietary blends bad for dogs?
Not necessarily. A blend can be legal and made from sensible ingredients. The trouble is that you can't verify how much of each active your dog gets, compare it fairly with another product, or match an amount your vet asks for. If any of that matters to you, choose a label with named amounts.
Why doesn't my dog's joint supplement say "complete and balanced"?
Because it isn't meant to be a complete diet. AAFCO exempts supplements from the nutritional adequacy statement you see on complete dog foods, so its absence on a joint supplement is expected.
Is glucosamine HCl the same as glucosamine sulfate?
They're two different forms of glucosamine, and a clear label tells you which one you're buying. VCA Animal Hospitals advises caution when switching brands, because the active ingredients may differ. Follow each label's own directions and mention any switch to your vet.
Should I give the same number of chews as another brand recommends?
No. Each product has its own amounts per chew, so the serving on one label doesn't carry over to another. Follow the directions on the jar you're using, and check with your vet before combining products.