Want a natural immune boost that actually has clinical trials behind it? Andrographis is an herb used for respiratory infections and immune support. People reach for it when they feel a cold coming on or when they want extra immune support during flu season. This page gives clear, practical advice you can use right away.
Andrographis (Andrographis paniculata) contains active compounds called andrographolides. Research shows it can shorten cold symptoms and ease nasal congestion and sore throat when taken early. Several clinical trials report shorter symptom duration—often by a day or two—when people start andrographis at the first signs of a cold. Beyond colds, people use it for general immune support and occasional upper respiratory infections.
Don’t expect instant miracles. It works best started within 48 hours of symptoms and taken as a short course. For long-term immune issues or chronic conditions, talk with a clinician before using it regularly.
Typical study doses vary, but many trials use standardized extracts over short periods. Common practical ranges are roughly 400–900 mg of standardized extract per day, split into two or three doses, for 5–10 days when treating a cold. Always follow the product label or your healthcare provider’s advice.
Watch for side effects. Most people have mild issues like stomach upset, loose stools or a small headache. Stop use and consult a doctor if you get an allergic reaction or severe symptoms. Avoid andrographis if you are pregnant or breastfeeding—there’s not enough safety data. Also be cautious if you take blood thinners, diabetes medication, or immune-suppressing drugs; andrographis can affect clotting and blood sugar and may interact with some medicines.
Practical safety tips: tell your provider about any herbal supplements you take, stop andrographis at least 1–2 weeks before surgery, and don’t mix it with other immune-stimulating herbs without medical advice.
When choosing a supplement, pick a product that lists the extract strength and andrographolide percentage. Third-party testing (USP, NSF, ConsumerLab) boosts confidence. Buy from reputable pharmacies or well-known brands and check reviews for consistency and quality.
If you want to try andrographis for a cold, start early, use a short course at a recommended dose, and pay attention to how your body responds. If your symptoms worsen or don’t improve in a few days, see a healthcare professional. For personalized advice or to check interactions with other meds, reach out to your pharmacist or doctor.
Want more on herbs and supplements? Check related guides on GetMaple Pharmaceuticals Canada or contact a healthcare pro for tailored recommendations.
