Intravenous glutathione,
does it really help with Whole-body skin lightening?
research showsThe grade is D. A nonrandomized saline-controlled study matched on age and skin color measured skin tone after intravenous administration. Fifty entered but only 32 completed; visual improvement occurred in 6/16 (37.5%) with a glutathione combination infusion and 3/16 (18.7%) with saline, P=0.054. Only one participant maintained improvement at six months.
ads claimKorean clinics widely sell intravenous glutathione as a self-pay “white jade” infusion and publish prices. Distribution is not efficacy evidence. The detailed authorization wording in the cited Korean policy-briefing document could not be verified and was not used for the grade.
Useful facts when choosing a product
- One nonrandomized age- and skin-color-matched saline-controlled intravenous study directly assessed skin tone; oral and topical evidence was excluded.
- The endpoint was visual Taylor hyperpigmentation grading, not an instrumented melanin index; all skin-tone measures here are surrogates.
- Multiple Korean clinics market and sell intravenous glutathione for cosmetic skin lightening.
Chamgap Semantic Classification Code
Candidate index · review held
M.glutathione.intravenous.whole-body-skin-lightening.assess.UNKMedicinal interventions > Glutathione > Intravenous > Whole-body skin lightening > Association or change assessment > Unknown
An automated migration candidate, not an issued permanent code; exact claim scope remains under review. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.
What the research actually shows
Zubair and colleagues enrolled 25 women aged 25 to 47 who were willing to pay into the active group and assigned an age- and skin-color-matched control for each participant to saline. This was a nonrandomized matched saline-controlled study with twice-weekly treatment for six weeks, 12 infusions total. GSH Detox forte contained glutathione 1,200 mg, vitamin C, and 35 mg hydrolyzed collagen. Two non-sun-exposed sites were assessed with Taylor color cards. Completer results were 6/16 versus 3/16, P=0.054. Oral, buccal, and topical studies were excluded from efficacy assessment because their routes differ.
Why this is classified as D (28)
A direct human study exists, but its skin-tone result was null and it had completer analysis, heavy attrition, small sample, and short duration, giving D with 28 points.
Counterpoint. The small imprecise study does not exclude every possible lightening effect.
Rejudgment record. Cross-check applied — Null direct nonrandomized matched saline-controlled intravenous study with completer analysis, 36% attrition, small sample, and short duration
| Endpoint | S | Surrogate marker - laboratory or imaging measures |
| Replication | R1 | Single confirmatory trial |
| Independence | I1 | Mixed funding sources |
| Effect size | E0 | Null |
| Precision | CX | No pooled confidence interval could be confirmed |
Stored derived and displayed grades match; this is not a current recalculation or validity check (D).
Sub-claim grades by effect
This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.
| Effect (sub-claim) | Grade | Basis |
|---|---|---|
| Skin-tone improvement from intravenous glutathione | D | Completer rates were 37.5% versus 18.7%, P=0.054. |
| Skin lightening from oral or topical glutathione | ? | Different administration routes were not graded in this verdict. |
Cross-check — AI research and Codex final gate
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Zubair S, Hafeez S, and Mujtaba G, 2016/2017 | Nonrandomized age- and skin-color-matched saline-controlled completer analysis | 50 enrolled, 32 completed and analyzed, 16 versus 16 | Not reported | Skin tone on the Taylor hyperpigmentation scale | 6/16 (37.5%) versus 3/16 (18.7%), P=0.054; one participant retained improvement at six months. | Only direct intravenous skin-lightening study |
Receipt — 3 References
All 3 cited sources were verified for existence at the original page (as of 2026-08-07).
Final verification and publication gate: Codex · Evidence date: 2026-08-07 · Corrections: none
Cite this verdict
[Chamgap] Intravenous glutathione x skin lightening — Evidence Grade D·28. 3 cited sources checked. Source: https://chamgap.com/en/verdicts/skin-hair/intravenous-glutathione-skin-lightening/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.