Seasonal Factor

Seasonal Factor (Natural D‑Hist®) is a professional‑grade formula designed to support immune balance in hypersensitive individuals, promote clear nasal passages, and support respiratory health during seasonal shifts. It uses a targeted blend of flavonoids, proteolytic enzymes, and botanicals to help regulate histamine, maintain mucosal health, and ease seasonal discomfort.* Key Benefits Supports immune balance and histamine regulation* Promotes respiratory and sinus comfort* Helps maintain normal mucus viscosity for clearer airways* Supports healthy nasal passage function* Why Choose Seasonal Factor? Environmental allergens and seasonal changes can overstimulate immune responses, leading to histamine imbalance and respiratory irritation. Seasonal Factor includes clinically studied ingredients—quercetin, stinging nettle leaf, bromelain, and N‑acetyl cysteine (NAC)—which work together to stabilize mast cells, regulate histamine, support mucosal tissue, and maintain airway health. Its