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Metabolic Research
ATX-304 / O-304 sodium salt research capsules in 50 mg and high-strength 200 mg options, with 60 capsules per bottle.
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Volume pricing applies automatically from three bottles and reaches 20% at twenty. Larger runs, institutional supply and custom timelines get a quote.
Ask about bulkVerified test results
Each batch is analyzed by an independent third-party laboratory before release. The lots below were tested by Chromate and ILS Laboratories. Below is the report for lot FX35, summarized from the certificate the lab published.
Every lot we have published for this compound, grouped by the lab that tested it, newest first. Open any certificate below, exactly as the lab released it.
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Peer-reviewed literature
Every reference below is a published, peer-reviewed record, linked to its PubMed entry. Provided for educational reference only - not product claims.
Important research notice
Not for human, veterinary, or food use. This product is sold exclusively for laboratory research purposes. It is not intended to diagnose, treat, cure, or prevent any disease, and has not been evaluated by the FDA.
All referenced publications and registries are sourced from peer-reviewed journals and official registries. They are provided for educational reference only and are not product claims.
By purchasing, you confirm you are a qualified researcher and will handle this product in accordance with all applicable laws and regulations.
Ready when you are
The lot on this page links to the signed certificate for that batch.
Encapsulated research material
This product contains ATX-304 sodium salt. Sodium-salt formulations showed higher bioavailability than the non-salt form in preclinical patent studies. Explore ATX-304 sodium-salt formulation research.
This ATX-304 product contains the sodium salt form, supplied as 50 mg or 200 mg capsules with 60 capsules per bottle. Include the salt designation when comparing research materials, preparing documentation or checking a certificate.
| Compound form | ATX-304 sodium salt |
|---|---|
| Labeled content | 50 mg or 200 mg per capsule, according to the selected variation |
| Count | 60 capsules |
| Format | Capsules for laboratory research |
The 200 mg option is the higher-strength variation of this ATX-304 sodium salt product. Both variations contain 60 capsules per bottle. The difference is labeled content per capsule, not bottle count.
| Specification | 50 mg | 200 mg |
|---|---|---|
| Labeled content per capsule | 50 mg | 200 mg |
| Capsules per bottle | 60 | 60 |
| Calculated labeled total | 3,000 mg (3 g) | 12,000 mg (12 g) |
| Chemical form listed | Sodium salt | Sodium salt |
The bottle totals are label arithmetic, not laboratory assay results. The 200 mg variation has four times the labeled amount per capsule; this does not establish four times the biological effect or equivalence between finished formulations. Select a strength above to see its current price and availability.
ATX-304 is also published as O304 (O-304). OS-01 appears in some supplier listings for O304, but the same name is used for a separate skin-research peptide. This product is listed as ATX-304 / O-304 sodium salt, not the topical OS-01 peptide. Check compound identity and chemical form when comparing sources.
Read the sourced ATX-304, O-304 and OS-01 naming guide.
A 2025 JCI Insight study investigated ATX-304 in a preclinical mouse model, examining AMPK-related metabolic switching and liver metabolism. This is evidence about the experimental material and model in that study. It does not establish equivalent behavior for a different salt form, finished capsule or human application.
ATX-304 metabolic switching study in JCI Insight.
Here, “high-dose ATX-304” refers to the higher labeled capsule strength: 200 mg compared with the 50 mg option. It is a product specification, not a recommended dose, dosing schedule or administration protocol.
It means 200 mg per capsule. With 60 capsules, the calculated labeled total is 12,000 mg per bottle. Capsule count, labeled content and measured assay content are separate quantities.
ATX304 is a spacing variant of ATX-304. Published literature also uses the earlier designation O304 or O-304. When comparing a product with a publication, still check the chemical form: this listing specifies ATX-304 sodium salt. Read the ATX-304 and O304 research reference for sources and evidence limits.
No. A certificate must match the material, strength and lot being evaluated. A report for 50 mg capsules or for raw material does not by itself verify finished 200 mg capsules. Review the selected variation and its assigned report in the COA portal, or request the matching documentation.
This listing is for finished capsules. It is not a bulk-powder listing. Do not infer excipient composition, solubility or preparation instructions from a powder study.
ATX-304 is discussed in the research literature as a small molecule. It should not be classified as a peptide merely because those products appear in the same research catalog.
Do not assume equivalence. Salt form and the basis of a reported mass or assay must be checked explicitly. This page does not make a free-base-equivalent content claim.
Confirm chemical form, material characterization and experimental context. The paper's observations are not a certificate for this product; use the assigned lot's documentation to evaluate the supplied material.
Retain the product label and lot number with the research record. Review the matching certificate of analysis for test coverage and reported results. Identity, analytical purity, measured content, sterility and endotoxin testing are distinct assessments; one does not establish the others.
Follow the supplied label and your laboratory’s validated handling and storage procedures. Record the vehicle, concentration and preparation date where relevant. Dry-material stability does not establish the shelf life of a prepared solution.
It is the stated quantity per unit, separate from the number of units in the bottle. A purity percentage is not a measurement of milligrams per capsule or tablet. Use the matching lot report for the measurements actually performed.
Open the linked certificate for the assigned lot or use the COA portal. Check sample identity, methods, date and reported measurements. A report for another lot or formulation is not a substitute.
The current certificate is matched to the selected product option and assigned shipping batch.
Enable JavaScript to view the certificate for your selected option.
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