Sandy's Substack
Sandy HallidayThe Functional Health Brief delivers clear, evidence-informed insights on nutrition, metabolism, and gut health—helping you understand how your body actually responds so you can make smarter, more personalised health decisions.
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 33 | Founded | 8 months ago | Last Issue | 6 days ago |
| Active | |||||
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sandyhalliday.substack.comLatest Issues
The Evening Wind-Down Protocol for a Busy Mind
A step-by-step plan for people who are exhausted but can't switch off, built around your cortisol rhythm, your blood sugar and your nervous system.
In the free article, we covered which magnesium is worth taking. What you do between 4pm an...
Magnesium for Sleep: Why the Form Matters More Than the Dose
If your body is exhausted but your mind is running a 2am meeting, you’ve likely been told to “try magnesium.” So you buy a bottle, take it for a couple of weeks, and nothing happens.
That doesn’t mean magnesium doesn’t work. It usually mea...
Your Cortisol Curve: What a DUTCH Test Actually Shows
And How to Read It
If you read the last article, you know the theory: cortisol isn’t the enemy, a broken rhythm is. High when it should be low, flat when it should be high, still climbing at 9pm when it should be winding down for sleep.
Why "Just Reduce Stress" Is Useless Advice (And What Actually Lowers Cortisol)
Someone tells you to “reduce your stress” and you want to laugh. Reduce it how, exactly? Quit your job? Ignore your kids? Stop paying bills?
The advice isn’t wrong. It’s just useless, because nobody tells you what actually moves the needle...
How to Actually Test for Perimenopause: Which Tests, When to Take Them, and Which UK Labs Are Worth Your Money
This is the paid follow-up to "Why Your Hormone Panel Looks 'Fine' But Perimenopause Says Otherwise."
In last week’s article I covered why a standard hormone panel can come back “normal” while you feel anything but. This week is the practi...
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| Subscribers | Engagement | 65 | Monthly Web Visits | ||
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| Accepts Sponsors | Estimated Cost per Ad | ||||
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Authors
The writers behind this newsletter.
The Functional Health Brief explores the functional health framework behind metabolic, gut, immune, and cellular balance—helping readers go beyond symptoms. Written by Sandy Halliday, nutritionist and founder of The Detox Specialist.
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