Health & Wellness Blog | Expert Tips & Advice - The Health Improvers

Glucomannan powder illustrating the authorised GB weight-loss claim and its dosing conditions
Glucomannan and Weight Loss: What the Authorised GB Claim Requires
The authorised glucomannan weight claim requires 1g per portion, three times daily, with water before meals and alongside an energy-restricted diet. Read more...
Konjac root and glucomannan powder illustrating a guide to doses, label claims and safe use
What Is Glucomannan? Konjac Fibre, Doses and Safety Explained
Glucomannan is a soluble fibre from konjac. Learn how it differs from konjac root powder, why water matters, what GB claims allow and how to compare labels. Read more...
Glucomannan powder and capsules illustrating a 2026 UK supplement buyer’s guide
How to Choose a Glucomannan Supplement in the UK
A guide to glucomannan quantities, serving schedules, formats, pack duration, caffeine and the conditions attached to authorised weight-loss claims. Read more...
Dark bilberry fruit for a source-backed guide to bilberry extracts, evidence and UK claims
Bilberry and Eye Supplements: Evidence, Extracts and UK Claims
What bilberry is, what the RAF night-vision story really shows, how extract labels differ and which eye-health claims are authorised in Great Britain. Read more...
Golden marigold lutein ingredient for a guide to lutein, zeaxanthin and supplement labels
Lutein and Zeaxanthin Explained: Forms, Labels and UK Claims
A clear guide to lutein, zeaxanthin and meso-zeaxanthin, including free lutein versus lutein esters, label comparisons and authorised GB claims. Read more...
Eye supplement label comparison with marigolds, bilberries, leafy greens and a magnifying glass
How to Choose an Eye Supplement: Claims, Carotenoids and Labels
Learn how to check lawful vision claims, lutein forms, zeaxanthin, AREDS2-style formulas, nutrient quantities and pack duration. Read more...
Nattokinase Complex supplement — nattokinase safety guide, who should not take it
Nattokinase Safety: Medicines, Surgery and Who Should Avoid It
A cautious guide to nattokinase with anticoagulants, antiplatelets, blood-pressure medicines, surgery, pregnancy, bleeding risks and soy allergy. Read more...
Nattokinase Complex capsules — the enzyme from fermented natto soybeans, standardised to 2000 FU
What Is Nattokinase? Natto, FU and UK Claims Explained
What nattokinase is, how it differs from natto, why labels declare both milligrams and FU activity, and which claims are permitted in Great Britain. Read more...
Nattokinase supplement label comparison with natto beans, an amber bottle and a magnifying glass
How to Read a Nattokinase Supplement Label: FU, Dose and Cautions
Understand FU activity, milligram quantities, serving sizes, soy declarations, cautions and the limits of nattokinase supplement claims. Read more...
Spirulina and chlorella algae powder — what green algae supplements actually are
Chlorella and Spirulina Explained: Labels, Testing and UK Claims
Chlorella and spirulina explained: how they differ, what testing matters, why algae are not a reliable B12 shortcut, and how to compare UK labels. Read more...
Kelp seaweed beside a label showing iodine in micrograms for thyroid-function comparison
Iodine and Thyroid Function: UK Intake, Food Sources and Supplement Safety
How iodine supports normal thyroid function, the difference between the UK 140µg intake figure and 150µg NRV, and why excess seaweed iodine matters. Read more...
Kelp and bladderwrack supplements compared by iodine dose, capsule count, testing and price
How to Choose a Seaweed and Iodine Supplement
A UK guide to iodine quantities, seaweed species, standardisation, contaminant testing, serving sizes and important suitability considerations. Read more...