DragonDX
Articles
In-depth articles about blood testing, health, and performance.
From October to early March, UK sunlight is too weak to make vitamin D, whatever the weather is doing. What the NHS advises, and when a test tells you more.
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No GP Appointment Needed: How to Get a Private Blood Test in the UK in 2026
Order a finger-prick blood test online, take it at home, post it free and read your results with trend charts. No GP appointment, no hidden fees.
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Why am I always tired? The 6 blood markers behind constant fatigue
Persistent tiredness usually traces back to a short list of measurable causes. Ferritin, vitamin D, B12, thyroid, HbA1c and testosterone - what each one does, how low levels feel, and how to check yours from home.
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Fertility After Steroids: The Dave Palumbo Protocol
The reported Dave Palumbo fertility protocol, what the clinical literature says about recovery after anabolics, and the blood tests that show whether it is working.
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TRT Blood Tests UK: What to Monitor and How Often
Which blood markers matter on TRT, how often to test, and what UK guidance says about haematocrit, PSA and testosterone targets, with the panels that cover them.
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Retatrutide: Phase 3 Results, Dosing and Bloods
What the phase 3 TRIUMPH results showed on weight loss and side effects, dosing and taper strategy, and the blood tests to run before, during and after.
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