Efficacy Evaluation Study of Vitamin C and Glutathione Liquid Sachet

TCI

Status

Enrolling

Conditions

Skin Condition

Anti-Oxidative Stress

Treatments

Dietary Supplement: Vitamin C and Glutathione Liquid Sachet

Dietary Supplement: Placebo sachet

Study type

Interventional

Funder types

Industry

Identifiers

NCT07379216

25-103-A

Details and patient eligibility

About

The objective of this study is to evaluate the effect of liquid vitamin C and glutathione supplements on human skin condition improvement and anti-oxidation.

Full description

This study is a single-center, placebo-controlled, double-blinded, parallel human trial designed to evaluate the skin beauty and anti-oxidant effect of liquid vitamin C and glutathione supplements.

Healthy adult participants aged 18-65 years will be enrolled. Participants will be informed to consume test samples daily for 12 consecutive weeks. Skin measurement and self-assessment questionnaires will be conducted at baseline (before intake), after 4, 8 weeks, and 12 weeks of consumption. Fasting blood samples will be collected at baseline and after 12 weeks of consumption.

Enrollment

30 estimated patients

Sex

All

Ages

18 to 65 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

Healthy male or female adults, aged 18-65 years old;
Commitment not to use products having activity comparable with that of the product to be tested during the study period;
Free of any dermatological or systemic disorder that would interfere with results.

Exclusion criteria

Subject with obvious skin surface damage;
Subject who had oral or topical medication which may affect skin condition within 1 month;
Individuals with known allergies to cosmetics, medications, or foods (especially those allergic to legumes/soy);
Pregnant or breastfeeding individuals;
Received facial laser therapy, chemical peeling in the past 2 months.
Individuals unwilling to allow publication or public disclosure of photographs taken as part of the study results