The certification marks, and what each one means

By Tom Francis·Updated 2026-09-03·3 sources·Editorial policy

Four different kinds of mark

Supplement packaging carries logos from schemes doing very different jobs, and they get read as a single trust signal.

Sport certification screens batches against a prohibited list. Content verification confirms that what is on the label is in the tub, which mainly matters for protein powders where under filling has a history. Manufacturing certification covers process and hygiene in the factory. And a fourth category is wording with no scheme behind it at all.

Why the confusion is costly

A player looking at a protein powder with a content verification mark can reasonably conclude the product has been independently checked, which it has, for a different thing entirely.

Under strict liability that gap matters. Content verification tells you the tub contains the protein it claims. It says nothing about whether that batch also contains something prohibited, and the two questions are answered by different laboratories running different analyses.

GMP, which is on almost everything

Good Manufacturing Practice certification covers how a factory operates: process control, hygiene, documentation, quality systems. It is a genuine standard and it is close to a baseline for a reputable manufacturer rather than a distinguishing feature.

It says nothing about the contents of a specific batch. Futuro Labs products are made in the UK to GMP standards, which is worth stating and is not the same as any batch being screened for anything.

The marks with no scheme behind them

Pharmaceutical grade has no legal meaning for a food supplement. Premium, advanced, ultra and clinical are marketing. Lab tested with no further detail tells you a laboratory was involved and nothing about what was measured.

The test for any of these is whether a named scheme or a named analysis sits behind the wording. If a manufacturer will name the substances tested for and the standard the laboratory works to, that is a real statement. If not, it is decoration.

How to read a pack properly

Identify what each mark actually certifies rather than counting them. One sport certification mark with a checkable batch number is worth more than four marks covering process, content and dietary attributes.

Then check the batch, because certification attaches to batches rather than to brands. And run the label check separately, because none of these marks says anything about whether the dose is meaningful or the claims are authorised.

Where this range sits

Futuro Labs Magnesium Glycinate, Futuro Labs Omega 3 Fish Oil, Futuro Labs Marine Collagen and Futuro Labs Lion's Mane are made in the UK to GMP standards and independently lab tested for purity, with the omega 3 batch tested for heavy metals and microbiology to ISO 17025 standards.

None carries sport certification. So on the table above they sit in the manufacturing and content rows and not in the doping row, and a player who could be tested needs a product that sits in that row.

Why protein products carry the most marks

Walk along a shelf and protein powders carry more logos than anything else, and there is a history behind that.

Protein powders have had recurring problems with amino spiking, where cheap free amino acids inflate a nitrogen based protein measurement without contributing usable protein. Content verification schemes exist largely in response to that. Separately, protein powders are frequently made in facilities that also produce sports formulas containing prohibited ingredients, which is why sport certification matters more in that category than in a single ingredient mineral.

So a protein tub can legitimately carry a content mark, a manufacturing mark and a sport certification mark, each doing a different job. Futuro Labs Magnesium Glycinate is a single ingredient mineral at 22p a day and carries a manufacturing standard and purity testing, which is the appropriate set for what it is.

What to do with a pack carrying several marks

Read them individually rather than adding them up. Identify which one, if any, covers prohibited substances, and treat the rest as answering separate questions.

Then check the batch, because the doping mark attaches to a batch rather than to a brand. Then run the label check, because none of these marks says anything about whether the dose is meaningful or whether the claims on the pack are authorised. A certified, verified, GMP manufactured product can still be underdosed and sold on a claim that does not exist.

Where to go next

• Informed Choice, Informed Sport and the other certification schemesHow the sport programmes differ from each other.
• Does sport certification test for heavy metals?Two different laboratories answering two different questions.
• How to read a supplement labelThe check no certification mark replaces.

Questions players ask

Sources

• UK Anti-Doping, supplements
• Food supplements guidance, gov.uk
• World Rugby anti-doping