The Claim

A single 500 mg oral dose of liposomal vitamin C increases peak leukocyte concentration by 20% and total leukocyte exposure (AUC0–24) by 8% compared to an equivalent dose of standard vitamin C in healthy adults aged 18–45.

Source: Liposomal delivery enhances absorption of vitamin C into plasma and leukocytes: a double-blind, placebo-controlled, randomized trial

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
75score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Quantitative
1 study reviewed
In plain English

When healthy adults aged 18–45 take a 500 mg oral dose of liposomal vitamin C, their leukocyte vitamin C levels reach a peak 20% higher and maintain 8% greater total exposure over 24 hours compared to taking the same dose of standard vitamin C.

See the scientific wording

A single 500 mg oral dose of liposomal vitamin C increases peak leukocyte concentration by 20% and total leukocyte exposure (AUC0–24) by 8% compared to an equivalent dose of standard vitamin C in healthy adults aged 18–45, indicating enhanced delivery of vitamin C to immune cells.

Why this might work

Vitamin C wrapped in tiny fat bubbles survives the stomach and intestines better than regular vitamin C, allowing more of it to enter the bloodstream. From there, immune cells take up the vitamin C using special pumps, so more of it builds up inside them.

Verified mechanismbased on 1 study

What the research says

1 study
  1. Study: Liposomal delivery enhances absorption of vitamin C into plasma and leukocytes: a double-blind, placebo-controlled, randomized trial

    This study found that liposomal vitamin C gets more into white blood cells than regular vitamin C after taking the same dose. So yes, it delivers better to immune cells.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.