

GASTRA
STOMACH COMFORT
- Stomach
- Sensitive eaters
Daily liquid support for a comfortable stomach.
Gastra combines chamomile, marshmallow leaf, hops, lemon balm and licorice root with passionflower in a single measured ounce. Poured over the regular feed, once a day.
1 fl oz (2 tbsp) once dailyMeasured by the bottle, poured over the feed.
- Bottle
- 32 fl oz
- Supply
- 32 days
- Per day
- $2.19
- Free shipping over $100
- 30-day money-back guarantee
GASTRA
$69.99
What you notice
Girthy, picky, not quite himself?
- Pins his ears or kicks out when you tighten the girth, even though the vet found nothing wrong
- Tucked up through the belly after shows or trailer rides
- Picks at grain, leaves feed in the bucket
What Gastra does
Gastra supports stomach comfort, every day.
- Chamomile and lemon balmHerbs long used to settle the digestive tract.
- Marshmallow leafNaturally rich in mucilage.
- Hops, licorice root and passionflowerTraditional herbs for a relaxed horse at feeding time.
Feeding guide
One ounce a day. Measured by the bottle.
Pour over the regular feed. Feed at least one full bottle without a break. Suitable for continuous daily feeding.
- Horse
- 1 fl oz (2 tbsp) once dailyOne bottle lasts 32 days
- Pony
- ⅔ fl oz (4 tsp) once dailyOne bottle lasts 48 days
- Periods of higher need
- 1 fl oz twice dailyOne bottle lasts 16 days
If you compete: we recommend a withdrawal time of 48 hours before competition.
The formula
In every fluid ounce.
| Chamomile flower fluid extract (1:1) | 7,400 mg |
|---|---|
| Marshmallow leaf fluid extract (1:1) | 2,950 mg |
| Hops fluid extract (1:1) | 2,950 mg |
| Lemon balm fluid extract (1:1) | 2,950 mg |
| Licorice root fluid extract (1:1) | 1,200 mg |
| Passionflower herb, ground | 500 mg |
Base: Vegetable glycerin, propylene glycol, citric acid, lactic acid, potassium sorbate.

How to feed
Squeeze. Measure. Pour.
The bottle does the measuring. One fluid ounce, once a day.

01 Squeeze
Press the bottle gently. The small chamber fills on its own.

02 Measure
Stop at the one ounce line. That is the serving for the day.

03 Pour
Open the small cap and pour over the feed. Nothing to scoop, nothing to rinse.

Even better as a bundle
PEPSIS. GASTRA and ENTERA, together.
Gastra supports the stomach, Entera the hindgut behind it. Together they are Pepsis.
$129.99 for both bottles
View PepsisQuestions
Questions about Gastra
Will my horse take it?
Gastra is poured over the regular feed and coats it evenly, so there is nothing to sift out. If your horse won't take it within 30 days, we refund your order.
How long does one bottle last?
32 days at one fluid ounce a day for a horse. For ponies at two thirds of an ounce, 48 days. At one ounce twice a day in periods of higher need, 16 days.
Can I feed Gastra with other Cavamin formulas?
Yes. Gastra is available with Entera as the Pepsis bundle and with Harmonia as the Eirene bundle.
My horse seems to be in pain. Is Gastra the answer?
Gastra is a supplement for daily feeding. If your horse shows signs of pain or stops eating, call your veterinarian.
Where is Cavamin made?
Cavamin is made in the USA.
The collection
Pairs well with
The Cavamin guarantee
30 days to decide.
Feed it for 30 days, poured over the regular feed. If your horse won't take it, we refund your order.







