What your primary care doctor doesn't have time to explain about your labs
 
Hi First name / there, 

She was 46. Tired in a way that sleep didn't fix. Gaining weight despite changing nothing. Foggy by 2pm. Losing hair she tried not to think about.
 
Her doctor ran labs. Everything came back normal.
 
She wasn't imagining it. Her labs just weren't telling the whole story.
 
I have this conversation every week. Someone sits across from me with a stack of "normal" results and a body that disagrees.
 
Your labs probably are normal. Normal just isn't the same as optimal. And a 15-minute appointment was never designed to explain the difference.
 
Labs without context aren't healthcare. They're data.
 
Here's what was actually happening in her case, and what I'd want you to know about yours.
 
GLUCOSE & INSULIN RESISTANCE
 
Her A1C was 5.7. "That's pre-diabetic, but not diabetes yet.
 
She was told to watch her sugar and come back in a year.
 
By the time A1C reaches 5.7, insulin resistance has likely been building for years. This number is a lagging indicator. The metabolic shift started well before it showed up on paper.
I don't reflexively check fasting insulin. The measurement varies with timing, stress, and lab processing, and there's no standardized reference range. It sounds useful. In isolation, it isn't.
 
What I look at instead: A1C trend over time. Triglyceride-to-HDL ratio (optimal below 1.5, acceptable below 2). The clinical picture: weight gain around the midsection, fatigue after meals, afternoon crashes. The pattern tells me more than a single number.
 
Her fasting glucose was 102. Three years earlier it had been 92. Last year, 98. That trajectory was the signal. Not the number.
 
I look at this alongside A1C, lipid panel, and body composition. Address it early and the trend is reversible. Wait until it hits 126, and it's a harder conversation. 
 
THYROID LABS:
 
Her TSH was 3.2. “That's well within normal range.”
 
The standard range runs from 0.4 to 4.5. So yes, 3.2 is technically normal. Many people feel best between 1.0 and 2.0. If your TSH is trending toward 4 and you have fatigue, hair thinning, weight gain, or brain fog, your thyroid may be contributing.

I check more than TSH. Free T4, Free T3, and thyroid antibodies tell me whether your thyroid is producing enough hormone, converting it properly, and whether there's autoimmune activity driving the picture.

One thing I want to be clear about: I don't automatically treat borderline numbers. The evidence does not support treating subclinical thyroid dysfunction reflexively. It carries risks and doesn't reliably improve symptoms. What I do instead is monitor trends, identify what's driving dysfunction, and intervene when it's genuinely indicated.
What happens after the labs?

Getting labs is easy.
 
Understanding them, tracking them over time, and using that information to actually make you feel better is where the work happens.
 
Six months later, her A1C was 5.3. Her ferritin was 58. Her energy came back. The brain fog lifted. She told me: "I finally don't feel crazy for knowing something was wrong."
 
She wasn't crazy. She was right. Her labs just needed someone who would read them in context.
 
When you work with me, I explain every result in full. Not just "you're in range," but what optimal looks like and what I'm watching for over time. I track trends because one data point is interesting. Multiple data points tell us where things are heading. I look at how everything connects. And when something needs to be treated, I treat it with specific, evidence-based interventions. Not "try harder."
 
I see this every week. Patients who were told they were fine. Who knew they weren't. Who were right.
 
Not sure yet? Hit reply and tell me what's going on. I read every single one.
 
Dr. Sobia Sadiq
 
 
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Hinsdale, IL 60521, United States

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