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Health BlogOct 2, 2026
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Most doctors run standard serum blood tests, see a "normal" nutrient level, and send you home. But measuring floating nutrients in your liquid serum is like looking at the paint on a house to see if the plumbing works inside. After reviewing over 40,000 advanced intracellular vitamin lab panels, the truth is clear: intracellular glutathione vs serum levels tell two entirely different stories. Your serum can look completely fine while your cells are completely depleted of the master antioxidant needed to protect your life. The Cytokine Threat When methylation breaks down and homocysteine elevat

Gene referenceSep 23, 2026
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The older Purser genetics reference uses the heading “DAOA (AOC1)” in its gut section.

YouTubeOct 22, 2025
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Thyroid health remains essential during menopause. Optimal labs should show FT3 around 4.0 and FT4 near 1.5, and testing through Direct Labs makes it easy to track. Supporting with supplements like Thyromin can help, but only if guided by accurate lab results. Info: http://www.DanPurserMD.com Supplements: https://www.PhysicianDesigned.com Books: https://www.amazon.com/-/e/B00BIKSGVQ Facebook: https://www.facebook.com/danpursermd Facebook: https://www.facebook.com/PhysicianDesigned Twitter: https://twitter.com/realdanpursermd YouTube: https://www.youtube.com/danpursermd Instagram: https://www.instagram.com/danpurser.md Pinterest: https://www.pinterest.com/danpursermd

Health BlogFeb 14, 2020
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Wow I see all this almost every day in my office -- same exact thyroid related medical issues/complaints. After ten years of endocrinology research and 33 years in practice, I've concluded that a lot of my fellow doctors weren't really taught the nuances of thyroid care. Those include how patients need levels optimized, or how to really listen to patient's symptoms (and treat accordingly), and which labs to get at what time. So, I always tell patients to believe their ‘lying eyes’ (their symptoms are real), and not always the lab results (which can be inaccurate or not interpreted correctly).

FacebookSep 26, 2019
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My Approach to PCOS. Let me know your questions. WHEN YOU HAVE PCOS I CHECK THE FOLLOWING FIRST IN A FASTING LAB: PROGESTERONE LEVEL FREE AND TOTAL TES LEVEL INSULIN LEVEL THYROID TESTING: FREE T3, FREE T4, AND TSH SPECTRACELL MNP FOUNDA

Health BlogApr 19, 2018
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Aloha cherished Friends & Guests! My name is Melissa, and I am excited to share a little of my story and how Dr. Purser’s passion for preventative care continues to improve my overall life and well being! I am a 33-year-old (Island girl at heart) living in the city. My loves include family, Leilani (my corgi/lab puppy), and the beach! I am a former Division 1 collegiate water polo athlete, coach, breast cancer survivor. I have worked in education for nine years after completing my master’s degree in Teaching & Learning. It wouldn’t surprise me if you think, “She doesn’t have any experience or

Health BlogFeb 28, 2018
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I personally use Direct Labs to get my tests. Here is how the process works: 1. Order Tests Order online or call (800) 908-0000 to place your test order. 2. Go To Lab Patient Service Center locations are nearby your home or work. 3. Retrieve Results Most results are received within 24-48 hours and uploaded securely to your account. More Info on Direct Labs Laboratory Tests First time customers will create a MyDLS® account. You will be able to access this account with your username and password at any time to view your test orders, sign HIPAA release forms, print your requisition, and view or p

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