Courtney's Story: Discovering Histamine Intolerance After Years of Unexplained Bloating

"Who knew there was such a thing as a histamine intolerance! I discontinued eating what I was genetically marked sensitive to and saw results almost immediately."

— Courtney | PlexusDx Food Sensitivity & Allergy Genetic Test | September 2025

Product: Food Sensitivity & Allergy Genetic Test  |  Health Focus: Food Sensitivity & Weight Management  |  PlexusDx Customer Since: 2025

The Challenge

For the last couple of years, Courtney had been dealing with stubborn belly weight gain and persistent bloating she couldn't explain. Like many women her age, she had been told — and had told herself — that this was just perimenopause. She tried supplement after supplement promoted for women's hormonal health, and nothing worked. The frustration wasn't just physical. It was the feeling of doing everything right and still getting no relief. She took the PlexusDx Food Sensitivity & Allergy Genetic Test not because she suspected anything specific — she had no known allergies — but out of pure curiosity.

What the Test Revealed

Courtney's results identified a genetic histamine intolerance — a finding she had never considered and had no prior frame of reference for. Histamine intolerance occurs when the body has a reduced genetic ability to break down histamine from food, leading to an accumulation that can trigger a wide range of symptoms including bloating, digestive discomfort, and weight retention around the midsection. The educational tools included with her PlexusDx results helped her understand not just what the finding meant, but which specific foods she was genetically marked sensitive to — giving her a clear, actionable list to act on immediately.

What Changed

Courtney acted on her results without delay, making one focused change:

• Eliminated the foods her PlexusDx results identified as genetically problematic for her histamine sensitivity
• Discontinued the perimenopause supplements she had been taking — recognizing her symptoms had a different root cause entirely
• Began using the educational tools provided in her results portal to deepen her understanding of histamine intolerance and continue refining her approach

The Outcome

The results were almost immediate. Courtney's bloating — which had persisted for years despite multiple interventions — was nearly gone. Belly weight began melting away. And the supplements she had been spending money on for perimenopause symptoms became unnecessary once the actual driver was identified and addressed. By her own words, she still has a lot to learn and process — but the trajectory changed the moment she had the right information.

In Her Own Words

"I've noticed the last couple of years I'm gaining weight around my belly and really bloated and uncomfortable. I just chalked it up to perimenopause because that's what all the social media has been feeding me. I've tried tons of supplements and things that are supposed to help with those symptoms in women my age and it did nothing but frustrate me more because nothing even came close to giving me any relief. Since I've gotten my PlexusDx results — life has improved so much for me. I had no idea I had any food sensitivity issues. I don't have known allergies and didn't think my PlexusDx results would show anything of significance — it was taken out of pure curiosity. Who knew there was such a thing as a histamine intolerance! Since my results and the great educational tools that come with them, my life has really changed. I discontinued eating what I was genetically marked sensitive to and saw results almost immediately. My bloating is almost gone. Belly weight is melting and I could stop taking all the gimmicky pills I got for perimenopause from Instagram. Highly recommend!"

— Courtney, PlexusDx Customer | September 2025

Results reflect Courtney's personal experience with PlexusDx genetic testing. Individual results will vary. PlexusDx genetic tests are not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before making changes to your diet or supplement regimen.

Ready to find out what your genes say about your food sensitivities and how they may be affecting your body? Explore the Food Sensitivity & Allergy Genetic Test →

Frequently Asked Questions

What is histamine intolerance and can a genetic test detect it?

Histamine intolerance occurs when the body has a reduced capacity to break down histamine — a compound found in many common foods including aged cheeses, fermented foods, alcohol, and certain meats. Symptoms can include bloating, digestive discomfort, headaches, skin reactions, and difficulty managing weight around the midsection. Genetic variants affecting enzymes like DAO (diamine oxidase) and HNMT influence how efficiently your body processes histamine. The PlexusDx Food Sensitivity & Allergy Genetic Test screens for these variants and identifies which foods may be problematic for your specific genetic profile.

Can bloating and belly weight gain be caused by food sensitivities rather than hormones?

Yes — and this distinction is frequently missed. Bloating and abdominal weight gain are commonly attributed to hormonal shifts like perimenopause, but food sensitivities and intolerances driven by genetic variants can produce identical or overlapping symptoms. Without identifying the underlying genetic cause, the most common interventions — hormonal supplements, generic dietary advice — may provide no relief at all. Courtney's experience is a clear example: years of unexplained symptoms resolved quickly once the actual root cause, a genetic histamine intolerance, was identified and addressed through targeted dietary changes.

How quickly can dietary changes based on genetic results make a difference?

For food sensitivities rooted in genetic intolerances, the response to eliminating trigger foods can be faster than most people expect — because the underlying mechanism is consistent and identifiable, not variable like many hormonal or lifestyle factors. Courtney noticed results almost immediately after eliminating the foods her PlexusDx results flagged. Individual timelines vary depending on the sensitivity involved, how strictly trigger foods are eliminated, and other health factors. The PlexusDx Food Sensitivity & Allergy Genetic Test provides both the findings and the educational tools to help you make those changes with confidence.