Histamine Doctor is an educational website focused on science-based strategies for living with histamine intolerance and sensitivity. Its articles, written by Kristie Leong, M. D., M.

S., explore how histamine may relate to food choices, digestion, exercise, mental health, inflammation, and everyday wellbeing. The site helps readers navigate common questions, such as whether particular foods and drinks—including oatmeal, peas, wine, and fish oil—may suit a low-histamine approach. It also shares practical meal ideas, including low-histamine smoothie recipes and a crockpot chicken recipe, alongside information about supplements such as vitamin C.

Readers can browse content organized into topics including histamine intolerance science, low-histamine foods, and recipes, or search for specific subjects. The website presents general educational information and strategies rather than a listed clinical service or product range. Histamine Doctor also maintains a presence on social media and publishing platforms, including Twitter, Instagram, Medium, Amazon, and Goodreads.

Overall, the brand serves as an information resource for people seeking to understand histamine-related concerns and make more informed choices about diet and daily life