Two independent reviewers screened articles by title and abstract, followed by full-text assessment to exclude studies not primarily related to DPN, with disagreements resolved through consensus
Medication cost is separate from the medical visit
Potential Side Effects and Safety Concerns Although the treatment is safe in medically supervised settings, mild side effects can happen, such as: Temporary redness or swelling at the injection site Slight dizziness or nausea Rare allergic reactions (rash, itching) Patients are advised to disclose any history of allergies or chronic illness before starting treatment
Collagen, the protein that keeps skin firm, naturally begins to decline around this age, making finelines more noticeable [2]
Food and pharma-grade products hold 79.2% , showing strong demand from health-conscious and clinical nutrition segments