- Product Name: Riraena - Contents: 3 capsules x 5 packets - Expiration Date: 2027.12.13 - Manufacturer: Carica Celapi Co., Ltd. This is a supplement containing the fermented green papaya food "Carica Celapi" encapsulated in acid-resistant capsules. It is said to be effective for relaxation, sleep, energy, gut health, antioxidant properties, and fatigue recovery. It promises "a new experience brought by one capsule" and "vitality for tomorrow, a health investment starting with 3 capsules."