Best CBD for Cats: An Honest Buyer’s Guide, 9 Products Compared

The best CBD for a cat is the one whose label you can check: a stated amount of CBD per milliliter, a THC statement backed by a current batch certificate, a short ingredient list, and a serving printed by body weight. No brand wins that on reputation. So rather than add another opinion, this guide puts nine cat CBD products side by side on what their labels actually print: the amount of CBD per milliliter, the THC statement, the ingredients, the serving by body weight, the testing you can check, and the cost per day for a 10 lb cat.

We sell one of the nine, and it sits in the same table under the same tests. The checklist that comes first is the one we use on our own product, and you can use it on any product that is not in the table.

Quick answer

The best CBD for a cat is the product you can verify: a stated amount of CBD per milliliter, a current batch-matched certificate of analysis, a THC statement you can check against that certificate, a short ingredient list with nothing a cat should not have, and a serving printed by body weight. Several brands meet parts of that standard in different ways. The table below shows which product meets which test, ours included.

How to judge any cat CBD product

Judge the individual product rather than the prominence of the brand. Before buying, check:

• Current batch testing. The certificate of analysis should come from an independent laboratory and match the product or lot being sold.
• Clearly stated cannabinoid content. The label and the laboratory report should make it possible to compare what is claimed with what was tested: milligrams of CBD per milliliter, not just “hemp oil” or a bottle total.
• A THC statement you can check. THC is toxic to cats (the ASPCA poison control list names delta-9-THC as toxic to cats), and a cat is small, so the label should say what the product contains and the certificate should show it.
• A complete ingredient list. Look for ingredients appropriate for cats and avoid unexplained flavor or botanical blends; essential oils are a particular concern in cats.
• Contaminant testing. The available report should address relevant contaminants (heavy metals, pesticides, solvents, microbes), not cannabinoid potency alone.
• Traceability. The company should identify the product lot and provide a way to obtain the applicable testing or ask quality questions.
• Product-specific evidence. Claims about research should identify whether the actual product or formulation was studied, rather than relying only on general CBD literature.

Veterinary involvement, NASC membership and domestic manufacturing may provide useful context, but none substitutes for product-level testing and evidence.

The whole checklist fits on one page. Download the printable buyer’s checklist (PDF) and use it on any product, ours included.

9 cat CBD products compared, label to label

The table lists what each maker prints on its own product page, product names included, printed exactly as each maker prints them: the form and size, the cannabinoid content, the THC statement, the ingredients, the serving by body weight, and the testing and quality statements. Where a maker prints no figure, the table says so, because that absence is itself something to know. The products are listed alphabetically by maker.

Prices are the prices each maker showed on October 1, 2026, named as list or sale prices the way the maker names them; the cost per day is for a 10 lb cat at the serving printed on the label, and the cost per milligram of CBD uses the bottle total. Prices change, so check before you buy. This is a comparison of labels, not of results: we make no claim about what any of these products does for a condition, ours included.

Product and maker	Form, size and ingredients, as printed	Cannabinoids and THC, as printed	Serving for a 10 lb cat, as printed	Testing and quality statements on the page	Price on Oct 1, 2026; cost per mg CBD; cost per day for a 10 lb cat
CBD Oil for Cats Austin and Kat	Oil with dropper; bottle volume not stated; fish-oil base, no named flavor “Broad Spectrum Hemp Extract, Sardine Oil, Pollock Oil, Astaxanthin, Cranberry Extract”; inactive “Mixed tocopherols”	“Each full dropper (1ml) of this oil contains 5mg of naturally occurring CBD”; mg per bottle not stated; CBDA mentioned in the text; broad spectrum THC: not stated on the page	“If your cat’s never had CBD before, start with 3mg of CBD for every 10 lbs of weight” (0.6 mL for a 10 lb cat); “as-needed or as part of a daily wellness routine”	“Testing for impurities and contaminants at multiple points”; lab tests on a central page, batch match not stated; “We carry the NASC Quality Seal”; made in Seattle, WA GMP, formulator: not stated	$34.95, no sale shown Cost per mg and per day cannot be computed without a bottle volume
Broad Spectrum CBD Cat Oil Tincture cbdMD	Oil with dropper; 30 mL; catnip flavor “Hemp Extract (Cannabidiol, Cannabigerol, Cannabinol), MCT Oil, and Natural Flavors”	300 mg CBD per 30 mL bottle, so 10 mg per mL by arithmetic (not printed); the directions give one 1 mL dropper as the amount; CBG and CBN named in the ingredient list; broad spectrum THC: “does not exceed 0.3% on a dry weight basis”; the same page also says “THC free”	“1 mL or one full dropper”, “once daily or as needed”; no serving by weight	“Third party tested at ISO certified labs”; “Download Lab Results” link, batch match not stated; “Guaranteed GMP” NASC, made in USA, formulator: not stated	$29.99, no sale shown (listed as sold out on Oct 1, 2026) $0.10 per mg 1 mL a day: 30 days, $1.00 a day
Rejuvenator Broad Spectrum Hemp Extract for Cats Dr. Fossum’s Pet Care	Liquid with oral syringe; 60 mL; salmon flavored “Broad Spectrum Hemp Extract with naturally occurring cannabinoids, CBD, CBG and terpenes”; inactive “Hemp Seed Oil, Omega Fish Oil, Salmon Flavoring”	CBD 5 mg and CBG 2 mg per mL (300 mg CBD + 100 mg CBG per bottle); added terpenes; broad spectrum THC: “no detectable THC” on each batch certificate	7 to 10 lb: 0.5 to 0.7 mL twice daily (2 to 6 lb: 0.1 to 0.4 mL; 11 to 14 lb: 0.7 to 1.0 mL); with food	Batch certificate of analysis published in our public COA archive, by lot number; NASC member; made in the USA; formulated by Dr. Terry Fossum, DVM, MS, PhD, DACVS	$39.99, no sale shown (subscription 15% off) $0.13 per mg 1.0 to 1.4 mL a day: 43 to 60 days, $0.67 to $0.93 a day
Hemp CBD Oil for Cats ElleVet Sciences	Oil; 15 mL; flavor not stated Inactive “MCT Oil, Organic Lecithin”; also sold as a paste, soft gels and chews	“Complete Spectrum Proprietary Hemp Oil 108mg (contains 70mg of CBD + CBDA and other minor cannabinoids)” per mL; CBD and CBDA counted together THC: “All products contain less than 0.3% THC”	“0.1mL AM & PM” for a 10 lb cat (2 mg/kg twice daily); “Give at mealtime”	“Each product has a batch number with a corresponding COA”; NASC logo; a sitewide footnote reads “Endorsed by veterinarians in a double-blind placebo study from Cornell University College of Veterinary Medicine” Third-party wording, made in USA, named formulator: not stated	$79.00, no sale shown (subscription 15% off) About $0.08 per mg of CBD + CBDA (1,050 mg per 15 mL, derived from the per-mL figure) 0.2 mL a day: 75 days, $1.05 a day
Broad-Spectrum CBD Oil for Cats HolistaPet	Dropper tincture; bottle volume not stated; Original, Chicken or Salmon Carrier oil and ingredient list not printed as text (image only)	150, 300, 600 or 1,200 mg CBD per bottle (the page also lists 3,000 mg, which the store’s product feed does not carry); mg per mL not stated; “broad-spectrum CBD + other cannabinoids” THC: “0% THC”	Dosing chart is an image; no serving printed in text	“Third-party tested for purity, potency, and safety in every batch”; “Lab Results (COAs)” section shown as an image; “Manufactured in the USA” NASC, GMP, formulator: not stated	$29.95 (150 mg), $39.95 (300 mg), $59.95 (600 mg), $84.95 (1,200 mg) per the store’s product feed; the page labels $29.95 a “Sale price” with no regular price shown $0.20, $0.13, $0.10 or $0.07 per mg by strength Cost per day cannot be computed without a serving or a bottle volume
Well CBD Oil for Cats Honest Paws	Tincture with dropper; bottle volume not stated; flavor not stated “Organic Full-Spectrum Hemp Oil” with “Organic Medium-Chain Triglyceride (MCT) Oil Certified Organic by CCOF”; the page also displays a USDA Organic seal	“Organic Full-Spectrum Hemp Oil 6 mg (contains 4 mg of naturally occurring CBD)” per serving, and the directions define a serving as 1 mL; mg per bottle not stated; full spectrum THC: “less than 0.3% THC”	“Give 1 full dropper (1 mL) per day”; “start with 1/2 the recommended amount”; no serving by weight	“Third-party tested” at an “ISO 17025 Accredited Lab”; “Certificates of Analysis (COA) available online”, batch match not stated; “NASC Quality Seal”; “USDA Organic”; “GMP certified”; “Made in USA” Named formulator: not stated	$24.95, no sale shown (subscription 15% off) Cost per mg and per day cannot be computed without a bottle total
PurCBD+ CBD Oil for Cats Innovet Pet	Oil with dropper; 30 mL; 125 mg or 250 mg; “natural earthy taste” “Only two ingredients (hemp extract + carrier oil)”, virgin hemp seed oil	125 mg or 250 mg CBD per 30 mL bottle (about 4 or 8 mg per mL by arithmetic); printed per drop: “1 drop = 0.13mg” and “0.26mg”; “100% full spectrum”; CBG and CBC named THC: “0.017% THC” (125 mg) and “0.03% THC” (250 mg) as printed; also “derived from hemp (less than 0.3% THC)”	125 mg bottle, 10 lb cat: “Starting Dose 1 drop (0.13mg)”, middle line “3 drops (0.39mg)”, “Strong Dose 9 drops (1.17mg)”, “every 8 hours”	“Independently & Third Party Lab Tested”; on-page COA selector per strength, batch match not stated; “Non-GMO” NASC, made in USA, GMP, formulator: not stated	$27.95 on sale (regular $32.95) for 125 mg; $39.95 on sale (regular $46.95) for 250 mg $0.22 per mg (125 mg, sale price), $0.16 per mg (250 mg) At the middle line, 0.39 mg every 8 hours is about 1.2 mg a day (by arithmetic), so a 125 mg bottle lasts about 107 days: about $0.26 a day
USDA Organic Feline Stress Releaf 180mg Calming CBD Oil For Cats Pet Releaf	Oil with dropper; 1 fl oz (30 mL); catnip “Organic Full Spectrum Hemp Extract, Organic Ashwagandha (Withania somnifera), Organic Coconut Oil (MCT), Organic Nepeta Cataria (Catnip)”	“180 mg CBD Per Bottle”; “6 mg CBD Per Dropper”; CBC and CBG named; “Organic Full Spectrum” THC: not stated on the page	“0.75 mL/day – 40 days” for a 10 lb cat; “split the total recommended usage between morning and evening”	“Every batch is tested by an independent third-party laboratory”; certificates on a central page, batch match not stated; “USDA Certified Organic”; “NASC Quality Seal”; “Veterinarians Formulated” (no name printed) Made in USA, GMP: not stated	$30.99, no sale shown (subscription 15% off) $0.17 per mg 40 days for a 10 lb cat: $0.77 a day
High Dose CBD Oil for Cats VetCS	Oil with dropper; 10 mL; Salmon or Natural Salmon: “Cannabinoid Rich Hemp Extract, Refined Hemp Seed Oil, Natural Salmon Oil”; Natural: the same with “Natural Terpene Profile”	500 mg CBD per 10 mL bottle (50 mg per mL by arithmetic; not printed); terpenes and flavonoids named; no spectrum word used THC: “only trace amounts of THC”, “below 0.3%”	“Only 1-2 drops are needed for most cats”; “a 65 day supply for a 10lb cat receiving 2 drops morning and night”; weight-band chart is an image	“Independently tested by a third-party lab”; lot-level COA links on the product page; “Veterinarian formulated” (no name printed); “Handcrafted in Our Colorado Lab” NASC, GMP: not stated	$39.99, no sale shown $0.08 per mg 65 days for a 10 lb cat at 2 drops twice daily: $0.62 a day

What the labels tell you

How to read the table. Seven things stand out once the labels sit side by side:

• Strength. Four of the nine print the amount of CBD per milliliter or per dropper (ElleVet, Pet Releaf, Austin and Kat, and ours), and Honest Paws prints it per serving and defines a serving as 1 mL. Innovet prints it per drop and per bottle, VetCS and cbdMD print a bottle total only, and HolistaPet prints a bottle total but neither a bottle volume nor a concentration, so its strength per milliliter cannot be worked out at all.
• Bottle volume and bottle total. Three pages (HolistaPet, Honest Paws, Austin and Kat) print no bottle volume. Honest Paws and Austin and Kat print no bottle total either, which is why their cost per milligram is blank. HolistaPet does print a bottle total, so its cost per milligram can be worked out, but without a serving its cost per day cannot.
• THC. Seven of the nine print a THC statement; Pet Releaf and Austin and Kat print none. cbdMD prints “does not exceed 0.3% on a dry weight basis” and “THC free” on the same page, so read the certificate, not the badge.
• Serving. A serving by body weight for a 10 lb cat is printed in text by six (ElleVet, VetCS, Innovet, Pet Releaf, Austin and Kat, ours); Honest Paws and cbdMD give one dose for every cat; HolistaPet’s chart is an image. At the label servings the daily amount for a 10 lb cat runs from about 1 mg of CBD (Innovet’s middle line) to 14 mg of CBD plus CBDA counted together (ElleVet), and those are not the same measure, so read the serving and the concentration together rather than either alone.
• Testing. A batch- or lot-numbered certificate on the product page or in a lot archive: VetCS, ElleVet and ours. Pet Releaf and Austin and Kat point to a central testing page. Innovet, cbdMD, Honest Paws and HolistaPet offer a certificate or download without saying it matches the lot you receive. NASC seals: Honest Paws, Pet Releaf, Austin and Kat, ElleVet and ours.
• Who formulated it, and sales. One product in the table names its formulator (ours); VetCS and Pet Releaf say “veterinarian formulated” without a name; the rest are silent. Only Innovet shows a regular price next to a sale price; HolistaPet labels $29.95 a sale price with no regular price shown; the rest show a single price, most of them with a subscription discount, and VetCS prints no subscription offer at all.
• Reviews and catalog size. Neither tells you anything the table does. A brand with thousands of reviews and no bottle volume on the page is still a brand with no bottle volume on the page.

The brands people ask us about

We sell a cat CBD product, so read our notes on competitors knowing that. We apply the same product-testing and evidence standards to every brand, including ours.

ElleVet Sciences

ElleVet sells four cat formats (oil, paste, soft gels, chews), prints a cannabinoid figure on every one, counts CBD and CBDA together, and gives every box a batch number with its own certificate. It is the one brand here with published, product-specific feline research. In our view that research is a differentiator. The feline evidence is still thin: the field study, which ElleVet funded, enrolled 26 cats and 14 completed it, and the authors singled out the high dropout rate as an important limitation. We do not restate its findings here, and we make no claim of our own from it. Buyers should weigh both the existence of product-specific research and the size and limits of the individual study. The oil is also one of the two priciest bottles in the table and, counting CBD and CBDA together as the label does, one of the cheapest per milligram, because it is so concentrated.

Innovet Pet

Innovet’s cat oil comes in two strengths with a per-drop dosing table and a two-ingredient formula, and both strengths carry a real regular price above the sale price. Its page prints a THC percentage for each strength, which is more detail than most, and the certificate selector is per strength, not per lot. The printed servings are small: about 1 mg of CBD a day for a 10 lb cat on the middle line.

Honest Paws

Honest Paws lists one cat oil with a two-ingredient organic formula, NASC and USDA Organic seals and a fixed one-dropper serving for every cat. The page prints 4 mg of CBD per serving but no bottle volume or bottle total, so neither the strength per bottle nor the cost per milligram can be checked from the page; open the certificate and confirm it matches the current item.

HolistaPet

HolistaPet lists a cat oil in four strengths (a fifth, 3,000 mg, is on the page but not in the store’s product feed), cat treats and calming chews, and a centralized lab-results section. The oil page prints no bottle volume, no milligrams per milliliter, no text ingredient list and no text serving guide, which in our view makes it the hardest product here to compare on strength. The treats page, not the oil page, names a formulating veterinarian.

VetCS

VetCS packs the largest CBD figure into the smallest bottle in the table (500 mg in 10 mL, 50 mg per mL by arithmetic), with lot-level certificates linked on the product page and a printed days-of-supply figure for a 10 lb cat. The dose is measured in drops, so a steady hand matters, and the weight-band chart is an image. The page says “veterinarian formulated” without naming the veterinarian.

Pet Releaf

Pet Releaf’s feline oil is USDA Organic with an NASC seal, prints CBD per bottle and per dropper and a days-of-supply figure, and adds two botanical co-actives, ashwagandha and catnip, which in our view makes it the one product here whose “other ingredients” line is worth raising with your veterinarian. The page prints no THC statement; the certificates live on a central testing page.

cbdMD

cbdMD’s cat tincture names CBD, CBG and CBN in its ingredient panel, prints 10 mg per mL at the 300 mg strength and a GMP statement, and was listed as sold out on October 1, 2026. The page describes a 150 mg strength the store did not carry that day, and it prints both “does not exceed 0.3%” and “THC free”, which is why the certificate matters.

Austin and Kat

Austin and Kat’s cat oil is built on sardine and pollock oil rather than MCT, with astaxanthin and cranberry extract in the panel, an NASC seal and a per-10-lb starting amount in milligrams. The page prints 5 mg per dropper but no bottle volume, no bottle total and no THC statement; the lab tests are on a central page.

Full spectrum, broad spectrum or isolate?

The words describe what else is in the bottle besides CBD. Full spectrum keeps the plant’s other cannabinoids, including a legal trace of THC (up to 0.3 percent in the hemp it came from). Broad spectrum keeps other cannabinoids and terpenes but has the THC removed to non-detectable levels. Isolate is CBD alone. For a cat, the THC line is the one to read: THC is toxic to cats, and a cat is small, so a product whose THC figure you can check on a batch certificate removes a variable. None of the three words says anything about quality; the certificate does.

How much CBD to give a cat

Follow the serving printed on the label you bought, by body weight, and start at the low end of the range. Products differ several-fold in strength, so a serving is only meaningful together with the milligrams per milliliter; the table above shows both. If your cat takes medication, ask your veterinarian before starting, because hemp cannabinoids and some drugs share the same liver pathways. Our dosage calculator turns a cat’s weight into a starting amount for our product, and the cat CBD guide covers how to give it and what to watch for.

So which one is best?

There is no single best product for every cat. The strongest choice is one whose format your cat accepts and whose ingredients, cannabinoid content and current testing you can verify.

Among the brands reviewed here, ElleVet is the one for which we identified published, product-specific feline research during this review. That is a legitimate advantage, although the feline evidence is still thin and the available field study had a substantial dropout rate.

Our product may appeal to buyers who prefer a simple, cat-specific broad-spectrum liquid with public batch testing and veterinarian-led formulation. We cannot claim that it is better studied or inherently superior to the other products in this guide; the table shows where it meets the tests and where others do too.

Ours: Rejuvenator hemp extract for cats

Our Rejuvenator broad-spectrum hemp extract for cats was formulated by Dr. Terry Fossum, DVM, MS, PhD, DACVS, a board-certified veterinary surgeon. It is a salmon-flavored liquid with 5 mg of CBD and 2 mg of CBG per milliliter, dosed by body weight with the included oral syringe, to support a cat’s endocannabinoid system and normal balance.

We chose a liquid because it can be mixed into familiar food and measured to the cat’s weight, and a short ingredient list with no added essential oils or flavor oils. Each batch has a public certificate of analysis confirming its cannabinoid content and no detectable THC. Our limits matter too: we are smaller than most of the companies in the table, and we have not run a feline trial of this product. The feline research cited on this page studied other formulations, not ours. Rejuvenator supports normal function; it is not a treatment for any condition and is meant to be used alongside your veterinarian’s care.

Rejuvenator for cats at a glance	Detail
Form	Broad-spectrum hemp extract in hemp seed oil and omega fish oil, salmon flavored; 60 mL (2 oz) bottle with an oral syringe
Cannabinoids per mL, as printed	CBD 5 mg; CBG 2 mg; added terpenes (myrcene, beta-caryophyllene, humulene); 300 mg CBD + 100 mg CBG per bottle
THC	No detectable THC on each batch certificate of analysis
Serving, as printed	2 to 6 lb: 0.1 to 0.4 mL; 7 to 10 lb: 0.5 to 0.7 mL; 11 to 14 lb: 0.7 to 1.0 mL; twice daily, with food
Price and cost per day	$39.99 on October 1, 2026; a 10 lb cat at 0.5 to 0.7 mL twice daily uses 1.0 to 1.4 mL a day, so $0.67 to $0.93 a day, and a bottle lasts 43 to 60 days
Cost per mg of CBD	$0.13 ($39.99 for 300 mg)
Testing and quality	Batch certificate of analysis published; NASC member; made in the USA
Formulated by	Dr. Terry Fossum, DVM, MS, PhD, DACVS
Good to know	For cats only; contains fish; give with or after a meal; ask your veterinarian first if your cat takes medication

When to talk to your veterinarian

A supplement is not a substitute for a veterinary exam. If your cat is eating, moving, behaving or using the litter box differently, see your veterinarian first, and bring the product label and its certificate of analysis to the visit if you want to add a hemp product to the plan. Always ask before combining it with any medication.

Keep reading

CBD for Cats

The complete vet guide

CBD Cat Treats

Treats vs drops, honestly

Is CBD Safe for Cats?

Why cats need extra care

How to Choose a Pet CBD

The buyer’s guide for dogs and cats

References and label sources

• Wakshlag JJ, et al. Cannabinoid, terpene, and heavy metal analysis of 29 over-the-counter commercial veterinary hemp supplements. Veterinary Medicine: Research and Reports (2020). Authors disclosed ElleVet employment and consulting relationships. Why label accuracy is the first test on this page.
• Mulder LM, Deterd Oude Weme J, Blees NR, Wakshlag JJ, Hughes D, Corbee RJ. Field safety and efficacy study with a cannabidiol/cannabidiol acid-rich hemp paste in cats with osteoarthritic pain. Journal of Feline Medicine and Surgery (2025). Funded by ElleVet Sciences. Cited for its design and limits only; this page does not restate its findings.
• Deabold KA, et al. Single-dose pharmacokinetics and preliminary safety assessment of CBD-rich hemp in healthy dogs and cats. Animals (2019).
• Cornell Riney Canine Health Center. CBD: what you need to know about its uses and efficacy.
• National Animal Supplement Council (NASC). nasc.cc.
• ASPCA Animal Poison Control. Toxic and non-toxic plants: Marijuana (toxic to dogs, cats and horses; toxic principle delta-9-THC). Why the THC line on a label matters for a cat.
• Label sources for the comparison, all read on October 1, 2026, on each maker’s own product page, in table order: Austin and Kat CBD Oil for Cats; cbdMD Broad Spectrum CBD Cat Oil Tincture; Rejuvenator Broad Spectrum Hemp Extract for Cats; ElleVet Hemp CBD Oil for Cats; HolistaPet Broad-Spectrum CBD Oil for Cats; Honest Paws Well CBD Oil for Cats; Innovet PurCBD+ CBD Oil for Cats; Pet Releaf USDA Organic Feline Stress Releaf 180mg Calming CBD Oil For Cats; VetCS High Dose CBD Oil for Cats. Per-size prices come from each store’s own product data where the page showed one price for several sizes. Makers change labels and prices; if you spot a change, tell us and we will update the table.

Frequently asked questions

These statements have not been evaluated by the Food and Drug Administration. Rejuvenator is not intended to diagnose, treat, cure, or prevent any disease. This guide is educational and not a substitute for veterinary care. Competitor label facts and prices were read on their makers’ pages on October 1, 2026, and may have changed since.

From Dr. Fossum’s Pet Care

Rejuvenator for Cats

Broad-spectrum hemp extract, formulated by a veterinary surgeon

Dosage Calculator

A weight-based starting amount for our hemp extracts

All supplements

Vet-formulated, NASC member, made in the USA

This guide is educational and is not a substitute for veterinary diagnosis or care. If you are worried about your pet, talk to your veterinarian.