The subjects were healthy adults (excluding those under 18 years old, pregnant women, and lactating women)
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: P-Participant: Participant The subjects were healthy adults (excluding those under 18 years old, pregnant women, and lactating women) I-intervention: Intervention (food) characteristics Continuous intake of lutein and zeaxanthin, Unlimited dosage forms, period and follow-up period. Studies involving interventions with a 5:1 ratio of "lutein, zeaxanthin" will be included to ensure equivalence with our lutein and zeaxanthin containing raw materials. C-Comparison: Comparison Placebo (The placebo's formulation is not specified) O-Outcome: Outcome The primary outcome: MPOD (Macular Pigment Optical Density) The secondary outcome: Photostress recovery, Glare sensitivity, Chromatic contrast sensitivity S-Study design: Study design Randomized parallel group controlled trials or randomized crossover trials
Exclusion criteria
Exclusion criteria: The literature which does not meet PICOS, such as conference abstracts (conference proceedings) that are not original articles will be excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| MPOD (Macular Pigment Optical Density) | — |
Secondary
| Measure | Time frame |
|---|---|
| Photostress recovery, Glare sensitivity, Chromatic contrast sensitivity | — |
Countries
Japan
Contacts
Oryza Oil and Fat Chemical Co., Ltd. Planning & Solution Development Department Section