
Histamine, Mast Cells & Hormones
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Have you noticed that symptoms like allergies, headaches, gut flares, or anxiety often don’t appear randomly, but instead seem to follow the rhythm of your menstrual cycle?
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Spot Patterns, and Reduce Flares

(Days 1–5)
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Estrogen ↓, Progesterone ↓
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Mast cell instability → itching, hives, food reactions
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Follicular (Days 6–13)
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Estrogen ↑
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Low blood volume → dizziness, fatigue, palpitations
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Histamine flares possible
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Ovulation (~Day 14)
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Estrogen peak, Progesterone low
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Histamine surge → allergies, headaches, gut issues, anxiety
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Luteal (Days 15–28)
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Progesterone ↑, Estrogen moderate
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Protective for some, but hypermobility → joint pain/instability
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Premenstrual (Late Luteal, Days 24–28)
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Progesterone ↓, Estrogen fluctuates
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Prostaglandins + histamine → cramps, migraines, gut flares
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By tracking your cycle, you can uncover patterns in your symptoms, gain insight into your body’s unique responses, and take proactive steps to support yourself before flare-ups occur, while working on the underlying causes via our Metabolic Reboot
