Manuka Honey Labels and Grading Systems Misleading
Manuka honey has earned its superfood reputation for good reason. There’s the earthy taste, the antibacterial and antioxidant properties it’s known for, and a growing following among people looking for natural wellness support. It's become one of the more sought-after honey varieties on the market, and that popularity has only grown over the past decade.
Here's the catch: getting those benefits depends entirely on getting genuine honey. These days, both online marketplaces and supermarket shelves have more imitation Manuka on them than the real thing, and telling the two apart isn't always straightforward from the label alone.
So we've put together this guide to cut through the jargon: what's actually behind Manuka honey labels and grading systems, and how you can tell a genuine jar from a misleading one.
Why Manuka Labels Cause Confusion
The biggest problem with Manuka honey labelling is that brands use different grading systems. Some show UMF, others show MGO, and plenty lean on marketing terms like “active,” “bioactive,” or “total activity.” These sound scientific, but don't be fooled: they don't always mean the same thing.
That's where the risk creeps in for you as a buyer: a jar can look premium on the shelf while offering little actual proof of what's inside.
What Makes Manuka Honey Different
Genuine Manuka honey comes from bees foraging on Manuka plants, which is where its distinctive properties originate. Those properties, including antibacterial and antioxidant activity, are well documented in the scientific literature, and it's part of why Manuka honey commands a premium over regular honey varieties. The compound most closely linked to that antibacterial activity, methylglyoxal, is also the basis for most modern grading systems.
Manuka honey is also naturally limited in supply, and only a handful of dealers deal in the genuine product with clear labelling and grading. That combination of high demand and limited supply is exactly what creates room for counterfeits to slip into the market. Vague details usually point to lower quality or blending with other honey types. Here's what to look for.
The Main Grading Systems
UMF
UMF, or Unique Manuka Factor, is one of the most trusted grading systems for Manuka honey. The rating reflects the concentration of several signature compounds, including methylglyoxal, leptosperin, dihydroxyacetone and hydroxymethylfurfural, and it's this broader profile that supports the honey's authenticity and traceability.
That's what makes it more reliable than a single-number rating: it's a broader quality standard rather than one narrow measurement.
As a shopper, a UMF rating is one of the clearest signs you're holding a jar that's been properly certified and tested.
MGO
MGO has become the most common rating you'll see on the shelf. It refers to methylglyoxal, the key compound behind Manuka honey's antibacterial reputation, and a higher number usually means stronger antibacterial potential.
MGO alone isn't a complete guarantee, though. It measures one component and doesn't speak to authenticity, traceability, or whether a jar meets the broader standards of a certified UMF product.
It is a simpler system though, since it gives a clear read on antibacterial potential. Lower MGO ratings tend to suit everyday use, while higher ratings such as 850+ or 1200+ are chosen by people wanting a more potent, higher-strength honey.
Other Labels
Some jars use terms like BioActive, KFactor, or Total Activity. These can sound impressive, but they're not always directly comparable to UMF or MGO, and are often branding tools rather than universally recognised quality systems.
It's not necessarily a red flag on its own, but it's worth staying a little sceptical rather than assuming every scientific-looking label carries the same level of verification.

Where Misleading Labels Happen
Misleading labelling often comes down to brands emphasising a big number while leaving out how it was measured, or skipping over certification, origin, or test methods altogether. A number on its own says very little without that context.
Vague words like “active” are another issue. Since almost all honey has some level of activity, the term can make a product seem more premium than it actually is, and you end up paying for a benefit that was never clearly proven.
How You Can Protect Yourself
Your best move is to read past the bold statements on the jar and check the minor details on the label instead.
A jar that mentions UMF or another recognised grading standard, shows traceability details, and gives clear packing information, is usually a far better sign than one relying only on marketing language.
What to Look For Before Buying
Here are the most useful things to check on a label:
- The grading system is clearly explained.
- The origin is stated clearly.
- The product gives traceability or batch information.
- The label does not rely only on vague words like “active.”
- The price matches the claimed grade in a realistic way.
If any of these are missing, be cautious. Premium honey should come with premium transparency.
Buying Smarter, Not Just Expensively
A high price doesn't always mean a better product. In the Manuka category, price is often influenced as much by branding and packaging as by what's actually in the jar. That's why it pays to compare similar MGO or UMF ratings across a few brands before assuming a higher price means higher quality.
The smarter approach is to buy on evidence rather than presentation. Understanding UMF, MGO, and label transparency makes it much harder for a jar to overcharge you for looking premium.
FAQs
Is UMF better than MGO?
They measure different things. UMF reflects a broader group of compounds, while MGO is focused specifically on methylglyoxal.
Does a high number always mean better quality?
Not always. A high number may sound impressive, but the meaning depends on which system is being used and whether the number is backed by proper testing.
Can I trust honey that says “active”?
Only if it's backed up. The word “active” is too vague on its own and should be paired with a recognised grading system and clear supporting information.
Why is genuine Manuka honey so expensive?
Genuine Manuka honey is only produced in specific regions and in limited quantities each season, and that natural scarcity is what keeps demand consistently ahead of supply.
Should I avoid all non-UMF products?
No, but they deserve extra scrutiny. If a product doesn't carry UMF, look for strong traceability, clear test information, and a trustworthy origin statement instead.
Final Note:
The most important lesson here is simple: don't buy Manuka honey based on a single number or a fancy-sounding term. Read the label as a whole, look for traceability and recognised grading, and treat vague marketing language as a warning sign. That's the standard we hold ourselves to at Sunhighlands, and it's worth expecting from every jar you buy.