Provider review, September 2026

Onyx Weight Loss Review

Onyx prices its growth-hormone peptide plainly on that product's own page, and on its peptide index prints eight figures in a row with no product attached to any of them — including one inside a misspelled price label.

What Onyx Weight Loss charges

Onyx Weight Loss is not a paid partner; this link may earn a commission if that changes. Full disclosure.

Visit Onyx Weight Loss

By Nora Castellan, Standards Editor

The index cannot be priced from

The peptide index renders, as one continuous run of text, a product name followed by eight figures. Some carry a period, some carry a starting-at, one carries neither. Nothing in the text says which card any of them belongs to.

This is not a rendering artefact this site created. The figures sit in a visual grid whose layout carries the association, and the association exists nowhere in the words.

That means a reader using assistive technology, a search engine, a language model summarising the page, and this site's own reading all encounter the same thing: eight numbers and one product name.

No figure from that page is recorded here. Choosing one and attaching it to a compound would be guessing, and a guess written into a qualifier becomes a fact the next reader inherits.

The product page does it correctly

The growth-hormone product has its own page, and there the figure sits immediately after the product name with a period attached and nothing between them.

That is the whole difference. Same seller, same compound, same site — one page where the number is attributable and one where it is not.

This roster records the product-page figure as a monthly rate and cites that page, and names the index's unattributed figures in the qualifier so the contrast is visible on the row.

A reader who wants a price from this seller should open the individual product page rather than the category.

A typo in a price label

One of the index's eight figures is preceded by a misspelling of the word starting. It is a small thing and it is worth recording, because it says something about how much attention the price list receives.

A price list nobody proofreads is a price list nobody updates. This site records verification dates on every figure for exactly that reason, and a visible typo is a hint about how far a verification date can be trusted to still be current.

The seller also publishes no operating company. The only corporate-looking strings on the pages read are a copyright line naming the brand and a credit for the website builder.

Screened by brand against the regulator's warning-letter index — the only handle available without an entity — nothing returns.

A clinic that leads with a consultation

The booking flow starts with a free consultation rather than a payment, and the site names its providers and a phone number. It reads as a physical practice rather than a shipped-subscription brand.

The navigation names several compounds openly, including a copper peptide, a melanocortin agonist and an antioxidant. Only the growth-hormone peptide carries an attributable figure.

The nonsense-path control on this host returned a very small not-found page, which is the behaviour of a site that is what it appears to be.

No dispensing pharmacy is named, no certificate of analysis exists on the pages read, and no state coverage list is published.

Who it's for

  • Readers who will open an individual product page rather than a category index.
  • Buyers who want a figure sitting directly beside a product name with a period attached.
  • Anyone who prefers a consultation-first booking flow to a payment-first intake.
  • Shoppers looking for a physical practice rather than a shipped subscription.

Who should look elsewhere

  • Anyone trying to price from the peptide index, which attaches no figure to any product.
  • Readers who want figures for the other compounds this seller names.
  • Buyers who want an operating company published anywhere.
  • Shoppers who want a certificate of analysis, a named pharmacy, or a state coverage list.

Strengths

  • The product page attaches its figure to a product name and a period, in that order, with nothing between them
  • Names several peptides openly in its navigation rather than gating the catalogue
  • Runs a booking flow with a free consultation stated up front rather than a payment-first intake
  • Its nonsense-path control returned a clean, small not-found page rather than a full site

Trade-offs

  • Its peptide index prints eight figures with no product attached to any of them — the page cannot be priced from
  • The index carries a spelling error inside a price label, which is what a price nobody proofreads looks like
  • No operating company published anywhere on the pages read
  • No pharmacy named, no certificate of analysis, no state coverage list

How we verified this

A provider to compare Onyx Weight Loss against

Auren Rx

Auren Rx names both its prescribing group, Wasef Health, and its dispensing pharmacy, VialsRX in Houston, with street addresses and phone numbers, and lets a subscriber pause an auto-refill plan on NAD+, sermorelin, glutathione or GHK-Cu instead of forcing a full cancellation.

Read the full Auren Rx review

Auren Rx is not a paid partner; this link may earn a commission if that changes. Full disclosure.

Visit Auren Rx

Frequently asked questions

What do the peptides cost here?

Only the growth-hormone peptide has an attributable figure, on its own product page. The peptide index prints eight figures with no product attached to any of them.

Why not use the index prices?

Because nothing in the page's text says which figure belongs to which product. Choosing one would be a guess presented as a fact.

Who operates this practice?

No operating company was found on the pages read. The only corporate-looking strings are a brand copyright line and a website builder credit.

Is it a physical clinic?

It reads as one — it names providers, publishes a phone number and leads with a free consultation rather than a payment.

Is there a certificate of analysis?

No, and no named dispensing pharmacy or state coverage list either.

Onyx Weight Loss is not a paid partner; this link may earn a commission if that changes. Full disclosure.

Visit Onyx Weight Loss