Pet Optimum chews: jar price and how long it lasts
What one Pet Optimum probiotic jar costs by dog size, how the store labels months of supply, how many chews the feeding chart allows, and when to skip the subscription.
Pet Optimum sells Daily Probiotic soft chews in one jar price across sizes. The jar does not last the same number of months. Small, medium and large options on the US store share a sticker price, then label that jar as a 3-month, 2-month or 1-month supply.
If you are still deciding whether a probiotic chew belongs in the routine at all, start with who Pet Optimum chews fit. This page is the money question: price, how many chews a day, how long a jar is supposed to last, and when skipping it is the cheaper correct choice.
Checked: October 4, 2026. US prices, supply labels, feeding directions and shipping rules can change. Confirm the product page and the jar label before you pay.
The short answer
Buy one jar, once, only after a veterinarian is comfortable with a probiotic chew for this dog. On the day we checked, that jar was $35.99 one-time for every size, or $32.39 on the 1-jar subscribe card (about 10% off). Pet Optimum then calls the same jar a 3-month supply for Small (0–25 lb), a 2-month supply for Medium (26–50 lb) and a 1-month supply for Large (50 lb+).
That is roughly $12, $18 or $36 per labeled month before multi-jar discounts. A large dog does not get a bigger discount. The dog uses the jar faster.
Skip the subscribe button until the dog accepts the chew and you have finished the 4–5 week window Pet Optimum asks for. Skip the product entirely if you only wanted a treat, or if stools are bloody, the dog is vomiting, lethargic or losing weight. A cheaper month is not a reason to delay a vet visit.
Shop Pet Optimum Daily Probiotic Chews.
What one jar costs
The US product page, when checked, used the same dollar amounts for Small, Medium and Large. Only the "month supply" wording changed.
| Size option on the store | What 1 jar is labeled | One-time, 1 jar | Subscribe, 1 jar |
|---|---|---|---|
| Small, 0–25 lb | 3 month supply | $35.99 | $32.39 for 3 months (save 10% vs $35.99) |
| Medium, 26–50 lb | 2 month supply | $35.99 | $32.39 for 2 months (save 10%) |
| Large, 50 lb+ | 1 month supply | $35.99 | $32.39 per month (save 10%) |
Divide the one-time jar by the labeled months and the ongoing cost is about $12.00, $18.00 or $35.99 per labeled month. The subscribe jar is about $10.80, $16.20 or $32.39 per labeled month. Those are arithmetic on Pet Optimum's own labels, not a promise that a calendar month has 30 days or that your jar will match the card.
Multi-jar cards used the same sale prices for every size. One-time: $62.98 for 2 jars (struck price $69.98, "save 10%") and $89.22 for 3 jars (struck price $104.97, "save 15%"). Subscribe: $61.18 for 2 jars ("save 15%" against a $71.98 compare on the card) and $86.38 for 3 jars ("save 20%" against $107.97). The store then stretches those jar counts into 6 and 9 months for small dogs, 4 and 6 months for medium dogs, and 2 and 3 months for large dogs.
Pet Optimum also advertised free ground shipping inside the continental United States on subscription orders, plus a 30-day easy-return line. One-time shipping was not listed as free on the page we checked. Do not add a shipping number we did not see.
How many chews per day
The product gallery includes a feeding panel. It says a maximum of one chew per 25 lb of body weight, daily, and prints these caps:
| Dog on the feeding panel | Daily amount shown |
|---|---|
| Small, 0–25 lb | 1 soft chew |
| Medium, 26–50 lb | 2 soft chews |
| Large, 51–75 lb | 3 soft chews |
| Large, 75 lb+ | 4 soft chews, called the highest maximum |
The store's size picker is coarser. It offers Large as 50 lb+ and sells that option as a 1-month jar. The feeding panel splits 51–75 lb (3 chews) from 75 lb+ (4 chews). A dog over 75 lb can still be on the same Large jar as a 55 lb dog. Follow the panel's daily cap, not "one chew because it is a daily product."
We did not find a calorie count or a full guaranteed analysis in the page text. Do not treat these chews as a free snack on top of meals.
How long a jar lasts
Use two published clues, and do not mash them into one fake spec.
- Supply cards. Pet Optimum labels 1 jar as 3 months, 2 months or 1 month depending on the size option above.
- Jar count. A product image on the same page uses the alt text "90 chew jar." That count is not in the variant name. Read the jar you receive before you budget the last week.
If that 90-chew alt text is the real count, daily use from the feeding panel lasts about:
| Daily chews | Days in a 90-chew jar | Rough one-time cost per day ($35.99 ÷ days) |
|---|---|---|
| 1 | 90 days | about $0.40 |
| 2 | 45 days | about $0.80 |
| 3 | 30 days | about $1.20 |
| 4 | about 23 days | about $1.60 |
The small-dog card (1 chew, "3 month supply") lines up with 90 days. The large-dog card ("1 month supply") lines up with 3 chews a day, not with 4. The medium card says 2 months, but 2 chews a day from a 90-chew jar is about 45 days, which is shorter than two months. Treat the 45-day figure as arithmetic on the alt text, not as a second label. If the jar count differs, the days change with it.
What a 4–5 week trial actually costs
Pet Optimum says to use the chew consistently for at least 4–5 weeks before judging results. You cannot buy a 4-week pouch. The trial price is however many full jars that window needs.
| Daily chews | Chews in 4 weeks | Chews in 5 weeks | Jars if the count is 90 |
|---|---|---|---|
| 1 | 28 | 35 | 1 jar ($35.99 one-time) |
| 2 | 56 | 70 | 1 jar, with little left if you finish week 5 |
| 3 | 84 | 105 | 1 jar covers 4 weeks; week 5 spills into a second jar |
| 4 | 112 | 140 | 2 jars before the trial window is over |
A second jar is not "another $35.99" if you use the 2-jar one-time card ($62.98 when checked). Two separate 1-jar checkouts would be $35.99 twice, or $71.98, which is worse than that card. Neither price includes shipping we could not verify for one-time orders.
Do not open a 3-jar subscribe plan to "save 20%" before you know the dog will eat the chew and that you still want it after the trial. The subscribe discount is real on the card. The waste is also real if the first week fails.
When the cost makes sense, and when to skip
| Situation | Cost choice |
|---|---|
| Vet has cleared a short probiotic trial, dog is small or medium, and you can keep the diet stable | One jar, one-time. Judge after 4–5 weeks, not after two days. |
| Dog is on 3 chews a day and you want the full 5 weeks | Budget two jars, or stop at 4 weeks if one jar is the limit you set. |
| Dog is 75 lb+ and the panel's 4-chew cap applies | A labeled "1 month" jar may not last the month. Confirm the chew count. Expect the highest daily cost on this page. |
| Dog already accepts the chew and you will reorder | Subscribe can cut the jar price (about 10–20% on the cards we saw) and the page advertised free ground shipping in the continental US. Pause rules live in the store account. |
| You wanted a treat, or the dog refuses the texture | Skip it. A $36 jar that sits unopened is the expensive option. |
| Bloody stool, vomiting, lethargy, weight loss, or a sudden change | Skip the checkout. Call a veterinarian. Our fit guide covers that limit in more detail. |
Frequently asked questions
Is the jar cheaper for small dogs?
The sticker price was the same. The labeled month is cheaper because Pet Optimum says the jar lasts longer when the daily amount is lower.
Does Pet Optimum sell a bag, or a jar?
The options we checked were jars: 1, 2 or 3 jars. Marketing still gets called a "bag" in search. Budget the jar, not a pouch size we did not see.
Should I subscribe to get free shipping?
Only if you already plan to reorder. The page tied free ground shipping in the continental US to subscription orders. A first trial is still an easier decision as a one-time jar.
Will BarkOnTrack earn a commission if I buy?
Yes, if you use our shop links. That does not change the price at checkout. See our affiliate disclosure for the current merchant list.
Sources and review notes
- Pet Optimum Daily Probiotic Chew product page for size bands, one-time and subscribe price cards, supply labels, the feeding panel, the "90 chew jar" image alt text, the 4–5 week line, and subscription shipping copy. Checked October 4, 2026.
- Who Pet Optimum chews fit for the vet-first decision this cost page does not repeat.
Per-day and per-month figures marked as rough are division of those published prices and labels. They are not a Pet Optimum quote. BarkOnTrack has not counted chews in a jar, tested palatability, or run stool or itch outcomes. For medical decisions, ask a licensed veterinarian.