Healthy adults who were not suffering from any diseases (excluding those under 18, pregnant women, and lactating women)
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: A systematic literature search is performed through scientific and clinical trial registries databases. The selection criteria are as follows. Participants (P): Healthy adults (excluding those under 18, pregnant women, and lactating women, who were not suffering from any diseases). Intervention (I): Intake of foods (tablets, capsules, granules, beverages, processed foods) containing Astaxanthin. Compositions that also contain ingredients other than Astaxanthin as test substances are excluded. Astaxanthin intake should be 0.4-30 mg/day. Comparison (C): The comparison group is set up as consuming a placebo food that does not contain Astaxanthin. Outcome (O): The primary outcomes are Skin moisture content as a measure of the ability to help protect skin moisture and Skin viscoelasticity as a measure of the ability to help protect skin elasticity. The secondary outcome is Transepidermal water loss as a measure of the ability to help protect skin moisture. Study design (S): Randomized, quasi-randomized, and non-randomized controlled trials (parallel group or crossover controlled trials) will be included.
Exclusion criteria
Exclusion criteria: Studies which do not meet the key inclusion criteria will be excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skin moisture content, Skin viscoelasticity | — |
Secondary
| Measure | Time frame |
|---|---|
| Transepidermal water loss | — |
Countries
Japan
Contacts
FUJIFILM Corporation Consumer Healthcare Business Div.