
Compare supplements and research peptides properly.
Independent product comparisons based on dose or quantity, formulation, price, testing evidence and supplier transparency.
Compare Supplements
Browse our comparison pages by supplement category.
Compare Research Peptides
Browse our comparison pages by research peptide.
Highest-Rated Supplements
Top scoring supplements across all active categories.


Together Health Organic Ashwagandha
Ashwagandha£0.10/day
WeightWorld Magnesium 4-in-1
Magnesium£0.15/day
WeightWorld Vitamin D3 4000 IU
Vitamin D£0.02/day
Igennus Fish Oil + Vitamin D3
Omega-3£0.30/dayHighest-Rated Research Peptides
Top scoring research peptide products across all active categories.

MOTS-C 40mg
MOTS-c · Ascend Peptides UK£1.00/mg
Ipamorelin 10mg
Ipamorelin · Ascend Peptides UK£2.50/mg
Tesamorelin 10mg
Tesamorelin · Ascend Peptides UK£4.00/mg
CJC-1295 With DAC 10mg
CJC-1295 · Ascend Peptides UK£3.50/mg
Retatrutide 40mg
Retatrutide · Reta Research£3.00/mgHow We Compare
We look beyond marketing claims to give you a clearer comparison.
Dose that actually matters
We use meaningful measures such as elemental amounts, active extracts and EPA/DHA.
Testing evidence
We distinguish manufacturer claims from public lab reports and certifications.
Real cost
We compare daily serving cost, not just bottle price.
Formulation & transparency
We assess ingredient forms, concentrations and label clarity.
Top-Rated Supplement Brands
Supplement brands with the highest average scores across their compared products (minimum 3 products).
Top-Rated Peptide Suppliers
Research peptide suppliers with the highest average product scores (minimum 3 scored products).
Latest Guides
Helpful, evidence-based guides to support informed choices.
Third Party Tested Supplements: What the Evidence Means
Check what independent testing covers, which product it concerns and how to verify a…
Peptide Price per mg: How to Compare UK Listings
Compare labelled quantities fairly and understand what price per mg can, and cannot, tell…
Supplement Forms Explained: Capsules, Tablets and More
Understand supplement formats without assuming one shape means better ingredients or better value.
How to Read a Peptide COA: A UK Guide
Read a peptide certificate of analysis and separate identity, purity and measured content.








