Improvement of skin quality
Conditions
Interventions
Taking yeast supplements containing cysteine peptides:Take 6 tablets (containing approximately 96 mg of cysteine peptide) once a day after breakfast for 12 weeks
Sponsors
Nishizaki Yasuhiro
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: *Gender: Male, Female *Age: 40 years old or older, under 60 years old *Those who return the reply postcard by October 31, 2024
Exclusion criteria
Exclusion criteria: *Those currently undergoing medication or outpatient treatment for any serious illness. *Those who are taking or using anti-inflammatory drugs for the skin (topical and oral) at least once a month on an ongoing basis. *Those who have difficulty reporting topical preparations or foods (ingredients: glutathione, cysteine, astaxanthin, coenzyme Q10, etc.) such as medicines, quasi-drugs, cosmetics, health foods, and supplements that claim or emphasize whitening effects, sunburn prevention effects, or skin quality improvement effects (prevention/improvement of spots, prevention/improvement of rough skin, cell turnover promotion effects).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Plasma glutathione: total glutathione, GSH, GSSG | — |
Secondary
| Measure | Time frame |
|---|---|
| Yeast supplement research questionnaire, Anti-aging QOL common questionnaire, Skin condition | — |
Contacts
Public ContactYasuhiro Nishizaki
Tokai University School of Medicine
Outcome results
None listed