The liposomal label problem
Browse any online marketplace and you will encounter dozens of products labelled 'liposomal'. The term conveys scientific credibility and commands a premium price. And in a significant proportion of cases, it is either misleading or outright false.
There is no regulatory requirement in Europe to demonstrate the actual presence of liposomal structures before using the term 'liposomal' on a label. A manufacturer can blend ascorbic acid with sunflower lecithin powder, call it 'liposomal vitamin C', and charge three times the price. That product would contain the same ingredients as a genuine liposomal product. It would not contain the same thing.
What real liposomes actually are
A genuine liposome is a self-assembled phospholipid bilayer vesicle with a defined particle size (typically 50-200nm), measurable encapsulation efficiency, and a demonstrable internal aqueous compartment containing the active ingredient. It must be formed under controlled conditions using specialised equipment. Simply mixing a nutrient with lecithin does not produce liposomes. It produces a lecithin-coated mixture. The decisive factor: without controlled molecular formation, there is no liposome.
The 8 checks: how to verify genuine liposomal quality
Check 1: Independent TEM analysis
TEM (Transmission Electron Microscopy) produces magnified images of actual particles in a product, showing whether spherical double-layered vesicles are present. A genuine liposomal product should have publicly available TEM images from an independent laboratory. Ask for them. If the company cannot provide them, that is your answer.
Check 2: Particle size measurement (DLS)
Dynamic Light Scattering measures particle size distribution. Genuine liposomes fall within 50-200 nanometres. Look for batch-specific DLS data, not just a general claim of 'nanometric particles'.
Check 3: Polydispersity Index (PDI)
PDI measures the uniformity of particle size. A PDI below 0.3 indicates a relatively uniform preparation. High PDI suggests inconsistent particle formation and inconsistent absorption.
Check 4: Encapsulation efficiency
This measures what percentage of the active ingredient is actually inside the liposomes. Genuine products should have encapsulation efficiency above 70-80%. Low encapsulation means most of the active ingredient is outside the liposomes, defeating the purpose of liposomal delivery.
Check 5: Manufacturing process documentation
Genuine liposomal producers can provide documentation of their manufacturing process — the specific technology used (microfluidisation, extrusion, thin-film hydration). If a company cannot explain how their liposomes are formed, they likely are not forming them.
Check 6: Phospholipid content and quality
Genuine liposomal supplements use high-purity phosphatidylcholine (PC) as the primary lipid. Look for products that specify their phospholipid source and purity, not just 'lecithin' as an undifferentiated ingredient.
Check 7: Liquid vs. dry format stability
Liquid liposomal products require either refrigeration or chemical preservatives to maintain stability because phospholipids oxidise in water over time. A liquid product with a long room-temperature shelf life and no preservatives listed is a red flag.
Check 8: Batch-specific certificates of analysis (CoA)
Every production batch should have an independently verified CoA covering: active ingredient content, heavy metals, microbiological testing, pesticide residues, and GMO status. These should be batch-specific — not generic annual tests — and accessible to consumers.
Red flags: what fake liposomal products look like
- No TEM analysis available or provided on request
- Vague claims like 'nano-encapsulated' without specific technology documentation
- Lecithin listed as a minor ingredient (less than 5%) — insufficient for meaningful liposomal formation
- Liquid format at room temperature with long shelf life and no preservatives listed
- No batch-specific CoA available
- Price significantly below genuine liposomal competitors
Why PPH invests in verified liposomal technology
Plant Physiology Health was built on the conviction that the supplement market needs more honesty. All PPH liposomal products are verified by independent TEM analysis confirming genuine double-layered liposomal structures in the final product. Batch-specific Certificates of Analysis are publicly accessible on our website. This is not a marketing claim. It is a verifiable standard — and we welcome scrutiny.
Conclusion and next step
The liposomal supplement category offers genuine benefits — but only when products actually contain real liposomes. Before buying any supplement labelled 'liposomal', ask for the TEM analysis. View PPH's independent lab reports and TEM analysis here.
Your vitality is not optional — it is vital.
Frequently asked questions
Sources
- Antimisiaris, S.G. et al. (2021). Overcoming Challenges with Liposomal Drug Delivery. Nanomaterials. www.ncbi.nlm.nih.gov/pmc/articles/PMC7999544/
- Scioli Montoto, S. et al. (2020). Oral Bioavailability of Drugs: Issues and Solutions. AAPS PharmSciTech. pubmed.ncbi.nlm.nih.gov/32399899/
- EFSA (2018). Guidance on safety assessment of nanomaterials in food and feed. EFSA Journal.




