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Can Excess Vitamin B12 Cause Histamine Intolerance?

Last updated: March 29, 2023

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Customer Reviews

Whitney Harper
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August 17, 2022
Great reporting and tons of information!
Great reports, easy to read formatting and super understandable. Really helped make a informed decisions in diagnosing and choosing treatment options. Great service!
Jaclyn Galvin
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July 29, 2022
This has been really helpful for me
This has been really helpful for me. A while back I had gotten the nutrition report from Xcode and it really helped me understand certain aspects of my diet. Fast forward about two years and I am sluggish, irritable, tired, etc. I discussed it with my doctor and they ran some bloodwork. Turns out I'm deficient in some vitamins and needed to supplement. I went back and reread my xcode report and they are the exact same vitamins that the report told me I would need to supplement. Turns out I don't metabolize them as efficiently and need some additional help to meet my requirements. Overall, it was a really great experience and I look forward to ordering more of the reports.
Rabih Massri
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March 12, 2021
Very detailed health guidance
I didn’t know what type of information I will get exactly and I was skeptical, but after taking the test I discovered so much more about my self and how my body functions , there was so much informations and detailed guidance on how I can benefit from MY DNA test. Especially about food and exercise types that suits my body to maintain a healthy life style. I strongly recommend Xcode
S Mac
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June 27, 2023
Excellent service!
Simple and easy to navigate and upload files. Quick results, received within 12 hours. Competitive pricing. Reports are detailed, clear and easy to understand. Date of experience: June 12, 2023
Win Yang Cheung
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May 29, 2021
Clarified my allergies
Didn't expect much but this proved me wrong. I discovered useful personal traits and information about my health that I customized towards my day to day living. For the longest time, I thought I was lactose intolerant and allergic to cockroaches, but this report showed me that I wasn't. I thought the milk from the bubble tea I drank every weekend was causing my constant bloating. Truthfully, I didn't drink enough water and was snacking a lot. Thank you, this has been life-changing.
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