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Inon Ace magnesium aluminosilicates, magnesium hydroxide, simethicone 60 mg; 200 mg; 20 mg Tablet, 75-count — NDC 49873-0402-01 package photo

Inon Ace magnesium aluminosilicates, magnesium hydroxide, simethicone 60 mg; 200 mg; 20 mg Tablet, 75-count

by Sato Pharmaceutical Co., Ltd. · 1 BOTTLE in 1 CARTON (49873-402-01) / 75 TABLET in 1 BOTTLE
NDC 49873-0402-01
🏷️ FDA NDC (as labeled) 49873-402-01 billing pads the product segment with a zero
OTC On market Non-controlled
🗂️ Data synced Sep 24, 2026 · sources: openFDA · FDA label (DailyMed) · FDA Orange & Purple Book · First Databank · CMS NADAC, ASP, Medicare & Medicaid · RxNorm
📋 All sources & update times →

This page is curated, coded, and maintained by

Compiled from public FDA, CMS, DailyMed, NADAC, and related drug data sources. Editorial policy

🚨
Active recall for this product.
Class II · Dec 19, 2025 — Failed Disintegration Specifications: above the time expected. (Sato Pharmaceutical Co., Ltd) · FDA recall D-0298-2026
Check your lot/expiration against the official notice — look up the recall number in the FDA recall database ↗

🆔 Identity & classification

FDA NDC (as labeled) 49873-402-01
Product NDC 49873-402
11-digit billing NDC 49873040201
RxCUI 1235450, 1235456
UNII NBZ3QY004S, 9T3UU8T0QK, 92RU3N3Y1O
UPC 0349873402017
Application # M001
SPL Set ID 0af4355f-e160-409d-8471-2de98dbc6f7c
Physiologic effect Skin Barrier Activity
DEA schedule Non-controlled
Marketing category OTC MONOGRAPH DRUG
Marketing status On market
FDA listing status Listed (active directory)
Marketing start 1995-11-01
Route ORAL
Dosage form TABLET
Substance MAGNESIUM HYDROXIDE; SILODRATE; DIMETHICONE
Why two NDCs? The FDA registers this code as 49873-402-01 — a 5-3-2 layout, and that's what's printed on the package and shown on DailyMed. For insurance claims, every NDC is standardized to a uniform 11-digit 5-4-2 format by adding a zero to the product segment → 49873-0402-01. Same drug, same package — only the format differs.
Where does this data come from?
Identifiers from the FDA openFDA NDC Directory and Structured Product Labeling; RxCUI from RxNorm (NLM); GPI from Medi-Span; GCN / HIC / AHFS / legend from First Databank.

🏷️ RxNorm drug class

This medicine belongs to the Combinations and complexes of aluminium, calcium and magnesium compounds class.

Drug family (ATC) Combinations and complexes of aluminium, calcium and magnesium compounds
Where does this data come from?
Therapeutic classes from RxNorm RxClass (U.S. National Library of Medicine) — Established Pharmacologic Class (FDA), ATC drug family (WHO) and mechanism of action, matched by this product’s RxCUI.

🏭 Manufacturer & labeler

LabelerSato Pharmaceutical Co., Ltd.
FDA applicationM001 (OTC MONOGRAPH DRUG)
Labeler code49873
First marketedNov 1995
Product typeHuman Otc Drug
Portfolio30 products on file
The labeler markets the product; the application holder owns the FDA approval. They’re often the same company but can differ (e.g. a repackager or an authorized generic). A mailing address / phone appears here when the manufacturer includes it in the product’s FDA label (not all do).
Where does this data come from?
Labeler, application holder and registered establishment from the FDA openFDA NDC Directory and Drugs@FDA; address/contact from the product’s FDA label.

🩺 Clinical

🧪 What is this product?

Inon Ace is an oral tablet sold as an over-the-counter antacid under FDA's monograph rules for this category. It contains magnesium hydroxide and aluminosilicates, which are typically used to neutralize stomach acid and relieve heartburn and indigestion. The product also includes dimethicone (also called simethicone), an ingredient commonly included in antacid formulas to help reduce gas and bloating by breaking up air bubbles in the digestive tract.

Supplement & herbal interactions

🌿 Drug–supplement interaction checker →
Where does this data come from?
Plain-language summary from MedlinePlus (U.S. National Library of Medicine); supplement & herbal interactions and nutrient depletion data from the Natural Medicines database; our full guide is HelloPharmacist editorial content.

💊 What it looks like

Color brown
ShapeRound
ImprintSATO;6
Size9 mm
ScoringNot scored
FlavorAnise
One label can cover several strengths, so colors may be combined — always confirm a loose pill against the dispensed prescription label or a pharmacist.
Where does this data come from?
Physical description (imprint, shape, color, scoring, coating) from this product’s FDA Structured Product Labeling (SPL), mirrored from DailyMed / openFDA.

🧪 Inactive Ingredients / Excipients

Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.

💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.

  • UNII T9D99G2B1R
    Caramel is a brown coloring substance made by heating sugar. It's added to medicines to give them color and sometimes a slight sweet taste without affecting how the drug works.
  • UNII OP1R32D61U
    Microcrystalline cellulose is a purified form of cellulose, a natural fiber from plant sources. It acts as a binder and filler in tablets and capsules, helping hold ingredients together and give the medicine its shape and size.
  • UNII M28OL1HH48
    Croscarmellose sodium is a plant-based substance derived from cellulose. It acts as a disintegrant, helping tablets and capsules break down quickly in the digestive system so the medicine can be absorbed.
  • UNII EX438O2MRT
    Ferric oxide yellow is a naturally occurring iron compound used as a colorant in medications. It gives tablets, capsules, and other forms a yellow or golden hue for identification and appearance.
  • UNII RFW2ET671P
    Hydroxypropyl cellulose is a plant-derived thickening agent made from cellulose. It acts as a binder to hold tablet ingredients together and as a film-former to coat tablets or control how fast the medicine releases.
  • UNII 70097M6I30
    Magnesium stearate is a salt made from magnesium and stearic acid, a fatty substance. It's used in tablets and capsules as a lubricant and glidant to help ingredients flow smoothly during manufacturing and prevent sticking.
  • UNII ETJ7Z6XBU4
    Silicon dioxide is a naturally occurring mineral used as a glidant and anti-caking agent. It helps powder ingredients flow smoothly and prevents clumping during manufacturing and storage.

7 inactive ingredients listed in the exact product block matched to this NDC.

The official label also statesInactive ingredients   caramel, colloidal silicon dioxide, croscarmellose sodium, flavor, hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, synthetic iron oxide

Label-section wording can be broader than the structured product block and may mention additional formulation ingredients.

Where does this data come from?
Data sourced from official FDA Structured Product Labeling (SPL) via DailyMed — ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.

Inactive ingredient FAQ

Are inactive ingredients the same for every manufacturer?
No. Inactive ingredients can differ by manufacturer, dosage form, strength, and package / product version.
Why might an inactive ingredient be missing?
Some SPLs do not provide a complete structured inactive-ingredient list, and older or unusual labels may only include the information in narrative text.
Can inactive ingredients matter?
Yes. They can matter for allergies, intolerances, dyes, gluten / lactose concerns, preservatives, and formulation differences — but confirm with a pharmacist or the manufacturer when it’s clinically important.

💲 Pricing

A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.

Price systemPer eachPer package
Retail pharmacies payNADAC · weekly Not in the retail survey — common for institutional, discontinued, or low-volume packs.
Medicaid paysCMS SDUD · 12 mo No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data.
Medicare drug plans payPart D · quarterly No Part D plan price is available for this NDC in our data.
ℹ️
No price is published for this exact package yet. CMS surveys NADAC per package size, so a different pack of the same drug often has one.
Where does this data come from?
NADAC (National Average Drug Acquisition Cost) is the CMS weekly pharmacy-acquisition-cost survey — what pharmacies pay. ASP (Average Sales Price) is the CMS Medicare Part B drug-payment file, published quarterly. Medicaid pays is computed by us from CMS State Drug Utilization Data (total reimbursed ÷ units, trailing 12 months) — gross of rebates and inclusive of dispensing fees, so it reflects what Medicaid paid, not an acquisition cost. Medicare drug plans pay is the median negotiated point-of-sale unit cost across plans listing this NDC in the CMS quarterly Prescription Drug Plan pricing files, before rebates. The VA pays is the federal contract price (FSS, and the statutory Big 4 ceiling where listed) from the VA National Acquisition Center pharmaceutical price file. All are free public government data; each measures a different payer, so the figures are not directly comparable.

🔁 Therapeutic equivalents

ProductLabelerPackNADAC/unitTEStatusPrice vs. this
Inon Ace 60 mg/1; 200 mg/1; 20 mgthis 49873-0402-01 Sato 75 tablets — — FDA listed —
About this product: other versions of the same ingredient, strength and form are listed above, least expensive first, with FDA equivalence ratings where available.
Where does this data come from?
Equivalents are other NDCs of the same ingredient, form and route from the openFDA NDC Directory, ranked least-expensive-first by NADAC. Therapeutic-equivalence (AB) ratings come from the FDA Orange Book; biologics use the FDA Purple Book for biosimilar & interchangeable status.

⏳ Availability & generic status

🏛️
1995
On the market since
Nov 1995
📍
2026
Currently FDA-listed
31 years listed
🔒
·
No generic listed yet
brand only
ℹ️No FDA-approved generic found

We did not find an FDA-approved generic match for this exact strength, form and route.

Where does this data come from?
Patents and exclusivity from the FDA Orange Book (small-molecule drugs), refreshed from public FDA data. Generic launch timing is an estimate, not a guarantee.

📦 Packaging — all sizes for this product

Package NDCDescription Marketing startStatus
49873-0402-01 You're viewing this 1 BOTTLE in 1 CARTON (49873-402-01) / 75 TABLET in 1 BOTTLE 1995-11-01 Active

🧭 About this NDC listing & data coverage

Over-the-counter (OTC) product
What data is (and isn’t) available for this NDC — tap to expand
NDC identity (package / product / labeler codes) ✓ Available
Labeler ✓ Available
Product & package description ✓ Available
Marketing category & status ✓ Available
Active ingredient / dosage form / route ✓ Available
FDA label (SPL via DailyMed) ✓ Available
Package photos ✓ Available
Inactive ingredients (structured) ✓ Available
NADAC pharmacy acquisition price (CMS) — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey.
Orange Book / therapeutic-equivalence data — Not published for this NDC Applies only to products approved under an NDA/ANDA; many listings are out of scope.
HCPCS J-code billing crosswalk — Not published for this NDC Most self-administered / retail products have no J-code — that is normal.
Medicaid utilization (CMS SDUD) — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold.
“Not published” reflects what the public FDA / CMS / NLM sources provide for this exact package code — it is a property of the data feeds, not a judgment about the product.

Questions about this listing

Is this NDC FDA-approved?
An NDC listing does not by itself establish FDA approval — the NDC Directory records that a product is listed with FDA, not that it was reviewed and approved. This listing's marketing category is "Otc Monograph Drug". Products approved under an application carry an NDA, ANDA, or BLA number.
Why is there no price listed?
The pricing shown on our NDC pages comes from CMS NADAC, a voluntary survey of retail community pharmacy invoices. CMS does not publish a NADAC for every NDC — packages outside the retail survey (institutional and hospital products, bulk packages, discontinued items, and many OTC items) may never receive one. A missing price reflects the survey's scope, not this product's actual cost, and does not mean the product is free or unavailable.
Is the NDC printed on the package the same as the 11-digit billing NDC?
Yes, they identify this exact package in different formats. The FDA registers it as 49873-402-01, which is what is printed on the packaging and shown on DailyMed. Insurance claims use a fixed 11-digit 5-4-2 format, so the short segment is padded with a leading zero: 49873-0402-01, written without dashes as 49873040201. The Identity section at the top of this page lists every form of this code.
What do the three segments of this NDC mean?
In 49873-0402-01, the first segment (49873) is the labeler code FDA assigned to Sato Pharmaceutical Co., Ltd.; the middle segment (0402) identifies this specific product — its ingredient, strength, and dosage form; and the last segment (01) identifies this exact package size and type. Together they name one specific package of one specific product.
Is this package still being marketed?
Yes, per the latest FDA NDC Directory data on this page: this package is listed as actively marketed, with no marketing end date reported by Sato Pharmaceutical Co., Ltd.. Listing status can change — the directory data on this page refreshes weekly.
Who lists this product with the FDA?
Sato Pharmaceutical Co., Ltd. is the labeler of record for this NDC — the company under whose FDA-assigned code the package is listed. The labeler may be the manufacturer itself or a distributor marketing the product under its own code.
Do I need a prescription for this product?
This NDC is listed with FDA as an over-the-counter product, so it does not require a prescription. Follow the package directions, and ask your pharmacist if you are unsure whether it is right for you.
This page identifies an FDA-listed package (the NDC) and reports public regulatory and pricing data about the listing. It is reference information, not a medical recommendation — talk to your pharmacist or prescriber about your own medication.
Where does this data come from?
Listing facts (marketing category, packager status, marketing dates) from the FDA openFDA NDC Directory; label availability from DailyMed; pricing coverage from CMS NADAC; equivalence scope from the FDA Orange Book.

📄 FDA label — Drug Facts FDA SPL

The complete FDA label for this product — the official Drug Facts labeling, verbatim, section by section. Jump with a chip, search within the label, or expand everything.
🎯 Indications and Usage ⏱️ Dosage and Administration ⚠️ Warnings 🧪 Active Ingredient 🧪 Inactive Ingredients 🎯 Purpose
🎯 Indications and Usage 17 words ▾

Uses relieves these symptoms ■heartburn ■acid indigestion ■sour stomach ■upset stomach and gas associated with these symptoms

⏱️ Dosage and Administration 36 words ▾

Directions ■Adults and children 12 years of age and over: Take 3 tablets with water 3 times daily between meals and at bedtime, or as directed by a doctor. ■Children under 12 years: Ask a doctor.

⚠️ Warnings 80 words ▾

Enter section text here Ask a doctor or pharmacist before use if you are ■taking a prescription drug. Antacids may interact with certain prescription drugs When using this product ■Do not take more than 9 tablets in 24-hours period or use the maximum dosage of this product for more than 2 weeks, except under the advice and supervision of a physician. I f pregnant or breast-feeding , ask a health professional before use. Keep out of reach of children .

🧪 Active Ingredient 16 words ▾

Active ingredients (in each tablet) Magnesium Aluminosilicates 200 mg Magnesium Hydroxide 60 mg Simethicone 20 mg

🧪 Inactive Ingredients 18 words ▾

Inactive ingredients caramel, colloidal silicon dioxide, croscarmellose sodium, flavor, hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, synthetic iron oxide

🎯 Purpose 9 words ▾

Purposes Magnesium Aluminosilicates Antacid Magnesium Hydroxide Antacid Simethicone Antigas

Source: FDA Structured Product Labeling, mirrored from DailyMed / openFDA. Prefer the government’s original formatting? View this label on DailyMed ↗
← 49873-0401-01 · Sato 49873-0403-01 · Sato →
For educational and professional reference only — not medical advice. Pricing reflects published NADAC and CMS ASP (free public data) and may differ from your acquisition cost; always verify before billing or dispensing.