For sleep support, peer-reviewed evidence points strongly to magnesium , particularly in well-absorbed forms like glycinate. A 2025 meta-analysis (Schuster et al.) found magnesium supplementation improved subjective sleep quality across multiple RCTs.
WIIP Muscle Relax+ delivers 400mg of elemental magnesium per 2-capsule serving (from glycinate plus amino acid chelate forms), formulated by Dr. Jun for both sleep and muscle recovery.
