Bromelain

Bromelain (Ananas comosus) is a crude extract containing various thiol endopeptidases and other components like phosphatases, glucosidases, peroxidases, cellulases, and glycoproteins. Historically derived from the stem and fruit of the pineapple plant, bromelain has been used for centuries in Central and South America to support gastrointestinal comfort and skin vitality. In modern nutritional science, it is recognized for its high bioavailability and its ability to remain active across a wide pH range, making it an effective systemic enzyme component for cellular optimization.

Clinical Benefits & Mechanism of Action

Bromelain exerts its supportive physiological effects through several distinct pathways, targeting protein breakdown and normal inflammatory responses:

1. Proteolytic Activity: As a protease, bromelain breaks down peptide bonds within proteins into smaller peptides and amino acids. This assists natural digestion and, when absorbed systemically, supports the normal processing of cellular debris and proteins within tissue matrices.
2. Inflammatory Cascade Modulation: Bromelain helps maintain balanced prostaglandin production (specifically PGE2) by modulating cyclooxygenase-2 (COX-2) activity and the arachidonic acid pathway. It also supports normal, healthy levels of systemic cytokines such as TNF-α and IL-1β to promote tissue comfort.
3. Fibrinolytic and Circulatory Support: It interacts with the plasminogen-plasmin pathway, which supports natural fibrinolysis (the normal breakdown of fibrin matrices). This mechanism is key in managing normal fluid dynamics, physical recovery, and localized circulation.
4. Enzymatic Tissue Renewal: Bromelain assists in the natural turnover of proteinaceous cellular structures, favoring the maintenance of healthy collagen and dermal layers, which supports skin regeneration and structural integrity.
5. Immunomodulation: Bromelain interacts with the surface receptors of T-cells and leukocytes, supporting a balanced and responsive immune system while fostering a healthy microbial environment.

Scientific Sources & Clinical Trials

• Investigation of oral bromelain supplementation on the healing of skin flap reconstruction after Mohs micrographic surgery (MMS) for non-melanoma skin cancers (NMSCs).
• 602. Pediatric Burn Management with Bromelain Enzymatic Debridement: A Descriptive Single-center Study
• Histopathological Changes Following Bromelain-Based Enzymatic Debridement (NexoBrid^®): A Comprehensive Systematic Review of Preclinical and Clinical Evidence.