CBD Purist Lab-tested CBD, honestly explained.

CBD Purist

Lab-tested CBD, honestly explained.

Latest Articles

Cadmium, Lead and the Missing Step: Why a Heavy Metals Panel on Hemp Is Not Evidence About Your Oil
Ingredients & Labelling

Cadmium, Lead and the Missing Step: Why a Heavy Metals Panel on Hemp Is Not Evidence About Your Oil

Hemp is a capable accumulator of cadmium and lead, yet many UK certificates stop at the plant rather than the product. This guide sets out which metals should be tested, what retained GB maximum levels actually cover, and how to tell a biomass report from genuine evidence about the oil in your bottle.
The 850mg Problem: What a Potency Shortfall Tells a UK Buyer About Everything Else a Brand Does
Buying Guides

The 850mg Problem: What a Potency Shortfall Tells a UK Buyer About Everything Else a Brand Does

A bottle that promises 1000mg and tests at 850mg is not merely a dosing nuisance. This opinion-led analysis works through the arithmetic, decarboxylation and filling failures that produce shortfalls, and argues that potency is the most visible symptom of a quality system nobody can otherwise see.
After the Red Flag: How UK CBD Buyers Can Tell a Recall From a Quiet Cover-Up
Buying Guides

After the Red Flag: How UK CBD Buyers Can Tell a Recall From a Quiet Cover-Up

A failed batch is a quality problem; silence is a character problem. This opinion-led guide examines how transparent UK CBD brands handle retests and recalls, and how buyers can distinguish a clean correction from a quiet reformulation.
Aroma Is Not a Specification: Reading Terpene and 'Natural Flavour' Claims on UK CBD Labels
Ingredients & Labelling

Aroma Is Not a Specification: Reading Terpene and 'Natural Flavour' Claims on UK CBD Labels

Terpene language on UK CBD labels often describes an experience rather than a composition. This guide separates cannabis-derived terpenes, botanical flavourings and vague 'natural flavour' claims, and explains what a batch certificate can and cannot prove.
The Carrier Question: How MCT, Olive and Hemp Seed Oil Change What a CBD Drop Delivers
Ingredients & Labelling

The Carrier Question: How MCT, Olive and Hemp Seed Oil Change What a CBD Drop Delivers

In most UK CBD drops, the cannabinoids are a small fraction of what is in the bottle; the rest is carrier oil. That oil shapes absorption, shelf life, taste and, in some cases, disguises a weak extract. Here is how to compare MCT, olive and hemp seed oil formulations critically.
Batch References and Test Dates: What Turns a Lab Certificate Into Evidence
Buying Guides

Batch References and Test Dates: What Turns a Lab Certificate Into Evidence

The words 'lab-tested' have become so common on UK CBD packaging that they no longer carry much weight on their own. A certificate only becomes evidence when it names the batch in your hand and carries a date recent enough to describe the oil you are actually about to use. Here is how to ask for that record and check it properly.
Before the Seal Is Broken: How UK CBD Packaging and Storage Can Undermine Purity
Buying Guides

Before the Seal Is Broken: How UK CBD Packaging and Storage Can Undermine Purity

Light, heat and oxygen can affect cannabinoids and terpenes long before a CBD bottle is opened. This UK buyer’s guide explains why amber glass and honest storage advice matter, and includes a checklist for vetting packaging claims and batch dates.
A Place on the Register Is Not a Purity Test: How UK CBD Buyers Should Read Novel Food Status
Ingredients & Labelling

A Place on the Register Is Not a Purity Test: How UK CBD Buyers Should Read Novel Food Status

References to the FSA are now common on UK CBD packaging, but regulatory paperwork is not the same as batch-level purity evidence. This guide explains what novel food status can and cannot prove, and how buyers can verify quality beyond the logo.
Discounts Move Fast, COAs Move Faster: Verifying UK CBD Deals This Black Friday 2026
Buying Guides

Discounts Move Fast, COAs Move Faster: Verifying UK CBD Deals This Black Friday 2026

Black Friday 2026 will reward prepared CBD buyers, not merely fast ones. This guide sets out a batch-level verification routine for potency, contaminants, dates and expiry so that a discount does not become a shortcut to stale or poorly documented stock.
Natural Is Not a Specification: Seven Label Shortcuts in UK CBD and How to Read Past Them
Ingredients & Labelling

Natural Is Not a Specification: Seven Label Shortcuts in UK CBD and How to Read Past Them

The word natural appears on countless UK CBD oils, gummies and sprays, yet it says little about purity, potency or testing. This analysis examines seven common label shortcuts and sets out a practical way to judge whether a formula is genuinely clean.