Table 1. Study material information.
| Bio-Germanium | Placebo | ||
|---|---|---|---|
| Criteria | Information | Criteria | Information |
| Capsule Material | White HPMC capsule | Capsule Material | White HPMC capsule |
| Capsule Size | Size #1 capsule (300 mg) | Capsule Size | Size #1 capsule (300 mg) |
| Capsule Filling | Powder form | Capsule Filling | Powder form |
| Dosage Guidance | 4 capsules per day (1200 mg/day) | Dosage Guidance | 4 capsules per day (1200 mg/day) |
| Main Ingredient | Bio-Germanium (100%) | Main Ingredient | Corn starch (96.7%) |
| Appearance | Powder in light brown color | Color Additive 1 | Brown (2.0%) |
| Flavor | Slightly pungent, soybean smell | Color Additive 2 | Yellow (0.4%) |
| KMFDS Approval | Functional ingredient with immune enhancement function | Color Additive 3 | Red (0.4%) |
| Color Additive 4 | Green (0.1%) | ||
| KMFDS Approval No. | No. 2007–15 | Flavor Additive 1 | Soybean paste (0.3%) |
| KMFDS Guidance | 1200 mg/day | Flavor Additive 2 | Grain powder (0.1%) |