Salicylates are natural chemicals made by plants as a kind of self-defense — they're found in everything from strawberries and tomatoes to peppermint and aspirin. Most people handle them without any issue, but a meaningful subset of people with conditions like chronic hives, asthma, or irritable bowel syndrome react to dietary salicylates, sometimes without realizing it. The low-salicylate diet removes or sharply reduces high-salicylate foods to give the body a chance to calm down, followed by a careful reintroduction phase to map out personal tolerance.

Salicylates can trigger inflammation in sensitive individuals partly by interfering with the way the body processes arachidonic acid — the same pathway blocked by aspirin and ibuprofen. When the enzyme COX-1 is inhibited, it shifts the body toward producing inflammatory leukotrienes, which drive symptoms like hives, airway tightening, and gut cramping. By lowering the total salicylate load coming in through food, the body's threshold is no longer crossed, and symptoms ease. Tolerance is highly individual — what one person reacts to, another handles without trouble.

The low-salicylate diet is a structured eating protocol, not a pill or supplement. It typically involves an initial 4–6 week strict elimination phase to establish a symptom baseline, followed by a methodical reintroduction of individual foods to identify personal thresholds. Many practitioners use the Royal Prince Alfred Hospital (RPAH) salicylate classification system as a reference guide for food selection.

• Chronic hives (urticaria)
• Eczema and skin rashes
• Asthma and wheezing
• Nasal polyps and congestion
• Irritable bowel syndrome (IBS)
• Aspirin-sensitive reactions
• Migraine headaches
• ADHD and hyperactivity in children
• Angioedema (facial/throat swelling)
• Food chemical intolerance

• Recurrence of chronic hives in salicylate-sensitive individuals
• Aspirin-triggered asthma flares in those with AERD when used as part of a broader management plan

• Peeled pears (ripe) — One of the lowest-salicylate fruits available — peeled ripe pears are a go-to safe fruit for people on this diet and are commonly used as a reference 'safe food' in elimination protocols.
• Peeled potatoes — Plain peeled potatoes are very low in salicylates and serve as a starchy staple that fits easily into a low-salicylate meal plan without triggering symptoms.
• Iceberg lettuce — One of the few salad greens with reliably low salicylate content — a useful base for meals when most other vegetables need to be limited or tested carefully.
• Cabbage (green) — Plain green cabbage is considered a low-salicylate vegetable and is a good source of fiber and vitamin C for people restricting many other produce options.
• Leeks — Leeks are classified as low in salicylates and work well as a flavor base in cooking, helping replace higher-salicylate aromatics like onion powder or spice blends.

• Reduced antioxidant and vitamin C intake if low-salicylate fruits and vegetables aren't prioritized
• Dietary monotony or social eating difficulty due to limited food variety
• Temporary worsening of symptoms during initial elimination (rare, likely unrelated rebound)
• Risk of over-restriction if the diet is applied too broadly without professional guidance
• 'Salicylate withdrawal' symptoms reported anecdotally in the first week (headache, fatigue) — not well-studied
• Nutrient deficiency risk if the diet is sustained long-term without monitoring

• Recommended daily: No supplemental dose — this is a dietary protocol. During elimination, total salicylate intake is reduced to below approximately 5 mg/day (the RPAH threshold for most sensitive individuals); exact intake is managed by food selection rather than measurement.
• Best time of day: Not applicable — dietary changes apply across all meals and snacks throughout the day.
• With or without food: Not applicable as a supplement. All food choices are restructured as part of the protocol.
• Time to effect: Noticeable symptom improvement typically occurs within 2–6 weeks of strict elimination. Some people see changes within 10–14 days.
• How long to take it: A strict elimination phase of 4–6 weeks is standard, followed by a structured reintroduction of individual foods (one at a time, every 3–5 days) to identify personal thresholds. Long-term strict avoidance is rarely necessary — most people identify a personal tolerance level and maintain a modified diet rather than permanent elimination.