Most pet supplement labels are readable. They are just not arranged in the order you would read them if you were trying to compare two products, which is usually what you are trying to do.
Here is the order that works.
| Label section | What it tells you | What to check |
|---|---|---|
| Active ingredients | Which compounds the product exists to deliver | The amount per chew, not per bag |
| Inactive ingredients | Binders, palatants and preservatives | Anything your companion reacts to |
| Guaranteed analysis | Minimums and maximums the maker is held to | Whether the actives you care about appear here |
| Extract ratio | Whether a figure is plant or concentrate | A stated ratio such as 10:1 |
| Botanical name | Which plant, precisely | A Latin name, not only a common name |
| Directions | The amount by body weight | That the band matches your companion |
| Lot code and best before | Traceability back to a production run | Both present and readable |
What is the difference between active and inactive ingredients
The actives are the ingredients the product exists to deliver. The inactives are everything else: what holds the chew together, what makes it palatable, what keeps it stable on a shelf.
Both lists matter, for different reasons. The actives tell you what you are buying. The inactives are where allergens live, and they are the list to read if your companion reacts to things.
Inactives are not filler in a dismissive sense. A chew has to hold together, survive a warehouse and be eaten voluntarily, and that takes real ingredients. But they are not what you are paying for.
Why are the amounts per chew rather than per bag
Because per chew is the only figure you can compare.
A bag total tells you about the bag. If one product gives two chews a day and another gives one, the bag totals are not comparable and neither are the prices. Convert everything to per chew, then to per day for your companion's weight and only then compare.
This is also the honest way to compare cost. Price per bag is close to meaningless. Price per day, at your companion's actual weight, is the number that affects you.
What does a 10:1 extract mean
It means ten parts of raw plant material were concentrated into one part of finished ingredient.
This is the single most misread thing on a botanical label. 35 mg of a 10:1 extract and 35 mg of dried herb are not the same quantity of anything. A product listing a bare weight with no ratio is not necessarily hiding something, but it is telling you less than one that states the ratio.
When you see a standardised extract, you may also see a marker compound and a percentage, such as an extract standardised to a stated percentage of a named constituent. That is more information again, and it is generally a sign of a more carefully specified ingredient.
Why do botanical names appear on some labels
Because common names are ambiguous and the species is often the point.
Chamomile is the clearest example. German chamomile and Roman chamomile are different plants that share a common name. A label giving the botanical name is being precise. A label giving only the common name is leaving you to guess.
You will also notice that labels for the United States and for Canada are often worded differently for the same product, with Latin names appearing on one and not the other, along with different spellings and different qualifiers. That is regulation rather than a difference in what is inside.
What does a seal on the box actually mean
It depends entirely on the seal, and this is worth being sceptical about.
In North America, the NASC (National Animal Supplement Council) quality seal is the one most worth understanding. It is a membership programme with audit requirements, adverse event reporting and label review. A company carrying it has agreed to a process and is checked against it.
What it is not: it is not a government approval, it is not a claim that a product works and it is not a substitute for reading the label. It tells you something meaningful about how a company operates. It tells you nothing about whether a given ingredient suits your companion.
Treat any seal you do not recognise as decoration until you have looked up what body issues it and what it requires.
What should make me suspicious of a label
A short list, in rough order of how much it should concern you.
- Language that promises an outcome. Supplements support. They are not medicines, and a label written as though it were one is either poorly regulated or poorly advised.
- A big number with no basis. An impressive milligram figure that does not say milligrams of what, or of what concentration.
- A proprietary blend with no breakdown. If several ingredients share one total, you cannot know the split, and the cheapest ingredient is usually the largest part of it.
- No amounts at all, only an ingredient list in order. That tells you what is present, not how much.
- No lot number or best before date. Both should be there, and both matter if you ever need to ask a question about a specific bag.
What about country of origin
Two separate things get confused here: where a product is made and where it is packaged. A label reading "Product of Canada" and one reading "Product of Canada, packaged in USA" describe different supply chains, and the difference is not cosmetic.
Neither is inherently better. What matters is that the label is specific enough to tell you.
How should I store it once the bag is open
However the label says, which usually means closed and kept away from light, heat and moisture.
The reason is not fussiness. Fats and botanical compounds are the parts of a formulation most affected by heat and light. A bag left open on a sunny counter is genuinely not the same product several weeks later, and no amount of care in manufacturing survives poor storage at home.
Resealable packaging exists to be resealed. A cupboard is fine.
What is a guaranteed analysis
It is the panel stating minimum or maximum levels of particular components, and it is worth understanding because it is not the same thing as the ingredient list.
An ingredient list tells you what went in. A guaranteed analysis tells you what the finished product is committed to containing, written as minimums for the things you want and maximums for things like moisture. The word guaranteed is doing real work there. These are commitments a manufacturer is held to, not estimates.
Not every supplement carries one, and what is required differs between Canada and the United States. Where it appears, read it alongside the actives rather than instead of them.
Should I worry about an ingredient I cannot pronounce
Not on that basis alone. Length and unfamiliarity are not measures of anything.
Ascorbic acid is vitamin C. Tocopherols are vitamin E and are often present as a natural preservative. Lecithin comes from sunflower or soy and holds a mixture together. Several of the most ordinary ingredients in food have chemical names that read as alarming and are not.
The useful question is not whether you recognise a name. It is whether the label tells you what that ingredient is doing there, and whether the company will tell you where it came from if you ask. A company that answers plainly is worth more than one with a short list and no explanation.
If an ingredient genuinely concerns you, look it up by its name rather than by the impression it gives, and ask your veterinarian if it still concerns you afterwards.
When should I talk to a veterinarian
Before starting any supplement, and especially before combining more than one. Bring the actual pack or a photograph of the ingredient panel, because "a calming chew" is not enough information for anyone to advise on properly and the panel answers most of the questions they will have.
Also talk to them before starting anything if your companion is on medication, is pregnant or nursing, has a diagnosed condition, or is due for a procedure. A supplement is not a substitute for veterinary advice, and reading a label well is a way of having a better conversation, not of avoiding one.
Every Trueleaf label is reproduced on its product page, actives, amounts and directions together: calming support, hip and joint, cat supplements, oral care and the functional oils.
Related reading
- How much supplement does my dog need
- What the ingredients in a calming chew actually do
- Cat supplements are not small dog supplements
References
- Canadian Food Inspection Agency. RG-1 Regulatory Guidance, Chapter 4: Labelling and guarantees.
- Health Canada. Veterinary Health Products Notification Program.
- National Animal Supplement Council. NASC Quality Seal.
