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SARMs Company Recommendations (2026): Our Pick and How We Check

Our current SARMs company recommendation, what we checked on its own pages, what it could do better, and a checklist to judge any SARMs source.

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SARMs company recommendations: how we pick a source

Our current SARMs company recommendation is SwissChems. It publishes lot-specific third-party lab reports, has a written quality-claim process, sells SARMs, PCT compounds and peptides in one shop, and takes cards, bank transfers and crypto. Below is what we checked, what we would like it to do better, and how to judge any SARMs company yourself.

Sarmguide is reader-supported. We may earn a commission from partner links. How this works: affiliate disclosure.

What are the top SARMs and peptide companies?

The online SARMs market is full of sellers, and many of their products are not what the label says. When researchers bought 44 products sold online as SARMs and tested them, only 52% contained a SARM at all, and only 41% contained the amount on the label (JAMA 2017). Shops also come and go: Science.bio and Peptide Sciences, two of the best-known names, have both closed.

44

products sold online as SARMs tested

52%

contained a SARM at all

41%

contained the amount on the label

So instead of a long list of “top companies”, we name one current pick, explain why, and link our reviews of the other shops readers ask about.

SwissChems: our current pick

Swiss Chems online shop page showing MK-677, RAD140, enclomiphene and GW-501516 capsule bottles with prices

What we found on SwissChems’ own pages on 30 October 2026:

What we checked What we found
Lab reports SwissChems publishes lot-specific certificates of analysis on its independent test results page (131 reports were listed when we checked on 30 October 2026). Each report names the product, the lot and the lab. The report we opened, for GW-501516 (cardarine) lot J26CYG, was issued by Freedom Diagnostics Testing on 3 October 2026 and shows identity confirmed by LC-MS and 99.79% purity by HPLC.
Testing standard SwissChems’ FAQ says batches go to accredited third-party labs, “principally Janoshik Analytical”, and that it works with more than one lab; the reports we opened were from Freedom Diagnostics Testing. It also states its own standard: the measured amount must be within 10% of the label.
Quality claims Its quality assurance page sets out a written claim process: if your own third-party lab test (with chromatograms and the lot number) shows a problem within 30 days of delivery, SwissChems says it will review it and, if confirmed, replace the product or credit it and pay up to $100 of the testing fee.
Bottle check Bottles carry a scratch-off code that you can check on its product verification page.
Range The shop lists SARMs, PCT compounds (tamoxifen, clomiphene, enclomiphene, raloxifene, anastrozole, letrozole), around 50 peptides, about 30 nootropics and bioregulators in one catalog.
Shipping Per its shipping page: US orders go by USPS (3–5 business days flat rate, 5–7 days on free shipping) or FedEx Overnight / 2-Day for eligible addresses; international orders go by USPS (2–3 weeks, 1–2 weeks to Canada). Orders ship Monday to Friday, and free shipping starts at $100 in the US and $300 internationally.
Payment Per its payments page: Visa and Mastercard for US-issued cards, bank and wallet transfers (Plaid ACH, Zelle, Interac, Coinbase) and seven cryptocurrencies (BTC, ETH, BCH, SOL, ZEC, TRX, DOGE). PayPal is not offered. Card charges show a payment processor’s name on your statement, not “SwissChems”.
Support Support is by email (support@swisschems.is) and phone (+1 870 533 5581); SwissChems says it answers around the clock.

What we would like SwissChems to do better

  • International orders carry customs risk. For international orders, SwissChems states that it does not reship or refund packages seized by customs; it offers 30% off a future order instead. Check your own country’s import rules before ordering.
  • Reports come from more than one lab. Its FAQ names Janoshik Analytical as the main lab, while the reports we opened were from Freedom Diagnostics Testing. Both are fine, but check the lab and the lot on the report that matches your bottle.
  • Card payments are US-only, and the charge shows a processor’s name rather than “SwissChems”.
  • No dosing information. Like every seller in this market, SwissChems labels its products for laboratory research only, not for human consumption, and asks buyers to confirm they are 21 or older at checkout. That is how it should be, but it means you need independent information: start with our SARMs database.


Full details are in our SwissChems review, or visit SwissChems.

How we pick a SARMs company

We don’t lab-test products ourselves, and we don’t take payment to rank a shop. We check what a shop publishes and whether it holds up:

  1. A lab report for your lot, not just “lab tested”. The report should name the product, the lot number on your bottle, the lab, the test dates, the method (HPLC for purity, LC-MS or similar for identity) and a chromatogram. A single number with no lab name proves very little.
  2. Recent reports. A certificate from years ago says nothing about the bottle you receive.
  3. Purity and content. Purity tells you how clean the material is; content tells you whether a capsule holds the amount on the label. Good reports show both.
  4. A way to check the bottle. A lot number you can match, or a verification code.
  5. Clear written policies for shipping, seized or lost parcels and quality complaints.
  6. No human-use claims. Shops that promise gains, give dosing advice or call SARMs “supplements” are breaking the rules they rely on, which is a bad sign for everything else.
  7. Prices that make sense. Very cheap SARMs are a warning sign: testing every lot costs money.

How can you spot unverified or unsafe sources?

  • No certificates of analysis (COAs), or vague “99% pure, lab tested” claims with no report to open.
  • Reports that don’t match your bottle: a different lot number, an old date or no lab named.
  • Medical or results claims on product pages, or advice on how much to take.
  • PayPal as the main payment option. PayPal doesn’t allow research-chemical sales, so a shop relying on it may lose its account suddenly. See buying SARMs with PayPal.
  • No working contact details or no written shipping and quality policies.
  • Unusually low prices compared with shops that test every lot.

Other SARMs companies we have reviewed

Note

Readers often ask about these shops. Each review describes the company as we found it at the time; several have since closed or changed. We don’t currently recommend buying from them instead of our pick.

Closed shops: Science.bio, Peptide Sciences and Proven Peptides.

Who can you trust in 2026?

Trust what you can check. A shop earns trust by publishing lab reports you can match to your bottle, by having written policies it sticks to and by not making health claims. On those points, SwissChems is our current pick. That can change: we re-check this page regularly, and the date at the top shows the last review.

Warning

Whatever you buy, remember that no SARM is approved for human use, all are banned in sport, and side effects including testosterone suppression and liver injury are documented in trials and case reports. Read the evidence on testosterone suppression, each compound’s fact sheet in the SARMs database and our medical disclaimer first.

Frequently asked questions

Which SARMs company do you recommend?

Our current pick is SwissChems, because it publishes lot-specific third-party lab reports, has a written quality-claim process and sells SARMs, PCT compounds and peptides in one place. The details we checked are in the table above and in our SwissChems review.

What is the best SARMs company in 2026?

There is no independent ranking of SARMs companies, and no SARM is an approved medicine, so “best” really means “most checkable”. On that basis our current pick is SwissChems. Use the checklist on this page to judge any shop yourself.

Do you test the products yourselves?

No. We check the lab reports shops publish (lot, lab, date, method) and their written policies, and we date what we saw. We don’t claim to have lab-tested products ourselves.

It depends on the country. In the US they are unapproved drugs that cannot legally be sold for human use; in Australia they are prescription-only and a prohibited import. See are SARMs legal? for a dated country list.

Do you earn money from these recommendations?

Yes. Sarmguide is reader-supported and we may earn a commission from partner links, including links to SwissChems. That does not change what we write about the evidence or the risks. See our affiliate disclosure.

Sources

  1. Van Wagoner RM et al. Chemical composition and labeling of substances marketed as selective androgen receptor modulators and sold via the internet. JAMA 2017;318(20):2004–2010 (2017)
  2. SwissChems: Independent test results (lot-specific lab reports) (2026). Checked 30 Oct 2026
  3. Freedom Diagnostics Testing: certificate of analysis, GW-501516 lot J26CYG (reported 3 Oct 2026) (2026)
  4. SwissChems: Quality assurance (2026). Checked 30 Oct 2026
  5. SwissChems: FAQs (lab testing, purity and variance) (2026). Checked 30 Oct 2026
  6. SwissChems: Shipping (2026). Checked 30 Oct 2026
  7. SwissChems: How to pay (2026). Checked 30 Oct 2026
  8. SwissChems: Verify products (2026). Checked 30 Oct 2026