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Borage

Low histamine

Borage is a fresh herb and leafy green generally considered low in histamine with no well-known triggering properties.

No, borage is not high in histamine. It is a fresh leafy herb with no fermentation or curing anywhere in its story, so as long as the leaves and flowers are fresh it sits comfortably on the low-histamine side.

Why borage is rated low

Histamine builds up when specific bacteria work on protein-rich foods during fermenting, curing, aging, or warm storage. Borage is a tender green picked and eaten fresh, so none of those processes touch it. Its faint cucumber taste comes from the plant itself, not from anything cultured or aged, which is why it stays low.

What changes your risk

  • Freshness of the leaves — borage wilts fast once cut. Bright, firm leaves are what you want; anything slimy, blackened, or sour-smelling should go in the bin, not on your plate.
  • Mold — the leaves are soft and high in moisture, so if you see any fuzz or dark rot, throw the whole bunch out rather than picking around it.
  • How it is stored — kept dry and cold in the fridge it holds a few days; left warm in a bag it slumps quickly, so buy close to when you will use it.
  • Cooked and held over — borage is fine cooked, but a cooked green dish left warm on the counter for hours is a storage risk like any leftover, so cool and refrigerate it promptly.
  • Where it grew — foraged or garden borage should be washed well and looked over for spoiled patches before eating.

What else is safe

Borage is a keeper as-is, so you do not need a swap, but if you want it fresher or easier to find, other fresh non-liberator greens and herbs are also gentle: cucumber, fresh parsley, chives, lettuce, and young chard. The lookalike to watch is not another herb but the company borage often keeps in recipes: skip pairing it into anything fermented or aged, and remember that a green being leafy does not automatically make it low, spinach for example tends to run higher.

How to enjoy it

Buy borage as fresh as you can, ideally with perky leaves and no wet spots. Store it loosely in the fridge wrapped in a slightly damp paper towel and use it within a couple of days. Rinse just before using, pat dry, and add the young leaves and blue flowers raw to salads or wilt the larger leaves briefly like spinach. Because it fades fast, cook or eat it soon rather than letting a bunch linger.

Common questions

Can I eat borage flowers if I have histamine intolerance?

Yes, the fresh flowers are low in histamine just like the leaves. Pick bright, un-wilted blooms and use them soon after harvest.

Is dried borage tea a problem for histamine?

Drying itself does not build histamine, so plain dried borage is generally fine. Caffeine is not a factor here, though as with any herb some people are simply sensitive, so judge it by how you feel.

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Learn more

Foods With High Histamine Levels Why Freshness Matters More Than Food Lists Why Leftovers Can Trigger Histamine Symptoms What Are Histamine Liberators?

For educational purposes only. Not medical advice. Consult a healthcare professional for personal guidance.

References

  1. SIGHI Food Compatibility List — SIGHI (2026)
  2. Histamine and histamine intolerance — Maintz & Novak (2007)
  3. Histamine Intolerance: The Current State of the Art — Comas-Basté et al. (2020)
  4. Low-Histamine Diets: Is the Exclusion of Foods Justified by Their Histamine Content? — Sánchez-Pérez et al. (2021)
  5. Histamine Intolerance: Symptoms, Diagnosis, and Beyond — Jochum (2024)
  6. Guideline on management of suspected adverse reactions to ingested histamine — Reese et al. (2021)