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Japan ancient herbal Antacid Relief for Heartburn, Sour Stomach, Acid Indigestion, Upset Stomach due to these symptoms Review: Ohta’s Isan Antacid - One of the best antacids I’ve tried and very effective when used occasionally. However, it doesn’t seem to work as well if I use it too often. Still a great product to keep on hand when needed. Review: Strongly recommended - This really works. While it doesn't smell good when you first put in your mouth, the herbal power helps with reducing acid in less than one hour. I strongly recommend!
| ASIN | B07BXLZ4CY |
| Best Sellers Rank | #25,103 in Grocery & Gourmet Food ( See Top 100 in Grocery & Gourmet Food ) #216 in Antacids #548 in Herbal Tea |
| Brand | Ohta's Isan |
| Brand Name | Ohta's Isan |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 208 Reviews |
| Dosage Form | Powder |
| Flavor | Citrus |
| Item Form | Powder |
| Item Weight | 0.04 kg |
| Manufacturer | OHTA'S ISAN |
| Manufacturer Part Number | 5/26/2026 |
| Net Content Weight | 1.3 g |
| Number of Items | 1 |
| Package Type Name | Bag |
| Product Benefits | Sour Stomach |
| Specific Uses For Product | Indigestion |
| Target Use Body Part | Stomach |
| UPC | 741182178131 |
D**I
Ohta’s Isan Antacid
One of the best antacids I’ve tried and very effective when used occasionally. However, it doesn’t seem to work as well if I use it too often. Still a great product to keep on hand when needed.
J**Y
Strongly recommended
This really works. While it doesn't smell good when you first put in your mouth, the herbal power helps with reducing acid in less than one hour. I strongly recommend!
X**M
Great
Amazing, so gentle on my sto.ach and works very fast after drinking. My stomach feels so much relief and ease. It smells very good with the natural ingredients included.
J**Y
Digestive
It works really well as a digestive aid.
M**A
I keep a few packets in my bag all the time.
I first tried OHTA’S ISAN about 10 years ago during a trip to Japan when I had really bad stomach pain after a long day of eating and walking. A local shop owner recommended it to me, and I still remember how fast it worked — within moments the discomfort was gone. Since then I’ve been hooked, but it was always hard to find back home, so I was honestly so happy to see it available here. Now I keep a few packets in my bag for those days when I overeat or get acid reflux from coffee or late-night meals. It works quickly and I don’t need to keep taking more throughout the day. The powder has a strong herbal, slightly salty taste, but I’m used to it and the relief is totally worth it. If I could suggest one thing, it would be a bigger pack for frequent users like me. Overall, this is still my most trusted stomach remedy after all these years — five stars without hesitation.
A**A
Great product
Fast shipping and great product
L**A
Great for travel
Perfect for travel and you have digestion problems.
M**N
Works well
Love it
Trustpilot
3 weeks ago
2 days ago