27 Mar 2026 5 min read Trail Provisions

Your Doctor Probably Isn’t Checking

Drug-Induced Nutrient Depletions: I Had to Find It Myself

The PPI Was Supposed to Manage Reflux

It gave me osteopenia, drained my B12, and didn't fix a damn thing. What I thought was a diagnosis was a guess. The "treatment" made me weaker, less capable, and induced frailty.

It was actually a hiatal hernia and Barrett's esophagus, dismissed for years as stress or acid. Wrong diagnosis, wrong treatment, real consequences, some still unfolding. The first endoscopy showed precancerous changes.

I'm on endoscopic cancer surveillance every six months now.

You're fighting to stay upright, eating carefully, rebuilding slowly. Meanwhile, something in the background quietly pulls the floor out from under you. Not labeled or flagged, just accumulating...

A slow steady leak, and then one day, you're just empty.

That was one drug, among many others, and nobody was looking at the whole list. I found the nutrient piece myself, stumbling onto a chart meant for clinicians, not me.

I found it in desperation, looking for answers.

Why It Happens

Long-term medications can interfere with nutrient absorption or increase nutrient excretion. This isn't a typical "side effect." It can build slowly, mimic symptoms you already have, and then get attributed to the illness or to stress.

What that leak can look like in practice:

PPIs and some antacids can reduce B12 and magnesium absorption over time, potentially worsening fatigue and nerve symptoms already common in dysautonomia. If the underlying cause isn't actually GERD, you're absorbing the depletion without the benefit.
Corticosteroids can interfere with vitamin D and calcium metabolism, quietly, while you're eating the kale.
Statins can lower CoQ10 levels and may contribute to muscle symptoms that are already part of the picture.
Methotrexate and some anticonvulsants can interfere with folate metabolism, with downstream effects on mood and cognition.
Diuretics can increase potassium and magnesium losses, which matters enormously in POTS.

None of it is inevitable. Most of it is testable. Some of it is fixable.

Cognitive and Psychological Weight

Low B12 doesn't just cause tingling. It can cause brain fog, anxiety, and low mood. A flatness that's easy to attribute to depression or disease progression.

Or, as I was told for years, stress.

Magnesium deficiency can worsen sleep, irritability, and the nervous system dysregulation already central to dysautonomia.

Folate deficiency can affect neurotransmitter production in ways that quietly erode the mental resilience you need just to manage a chronic illness day.

Some statins cross the blood-brain barrier. Cholesterol plays an important role in brain function. The relationship between statins and psychological or emotional effects is complicated, not a given.

The cruel part is you're putting in the effort. Kitchen work, planning, discipline and the sheer effort of eating well when you feel terrible and exhausted.

When the outcome doesn't match the effort, that's demoralizing in a very specific way. Like confirmation that nothing works. That your body is beyond help.

In the case of drug-induced nutrient depletion, it's more about mechanics and physics. It's a leak in the bucket holding what's needed for baseline function.

In my case, that hole was there for years before anyone looked for it.

Self-Advocacy

I don't go into appointments looking for confrontations, to be right, or to be the expert. The level of medical research I do is exhausting, ongoing self-education in perpetuity. Chronic illness is already draining enough. I'd actually rather not have to work this hard just to avoid getting screwed by someone else's ignorance.

However, most physicians receive very limited formal training in nutrition. Not enough to reliably spot depletion patterns without looking for them specifically. It tends to come down to time, training, and pattern recognition.

"Stress" is often the fastest explanation when the picture is complex.

I was told things were fine for years. The depletion chart wasn't given to me, I found it on my own. I was forced to become my own investigative medical research team, doing my own differential diagnostics and going full-send on self-advocacy.

The precancerous changes were found the same way. Only after pushing for a scope nobody thought I needed. You're the only one living in your body full time.

You're allowed to be the expert on your own experience.

What To Do

Bring your full medication list to your doctor or pharmacist: prescriptions, OTCs, anything you take regularly. Ask specifically about depletion, not just side effects. It's a different question, and gets a different answer.

Request basic labs: B12, vitamin D, magnesium, electrolytes. If you're on a PPI and nobody has checked your B12, flag it.

Nutrients from food arrive in forms that are often more bioavailable than supplements. When that doesn't cut it, supplements may be needed. If something shows up low, consider targeted supplementation. Not guesswork, but confirmation.

A useful question to bring up is "Could depletion be contributing to what I'm experiencing?"

Also, if a medication isn’t treating the right problem, push on that too.

If you’re doing everything right and it still isn’t working, effort might not be the issue.

Check to see if the bucket you pour effort into has some holes.

Trail-Ready Reference

Med / Situation	What Gets Depleted	What It Can Mimic
PPIs / antacids	B12, Magnesium	Fog, neuropathy, fatigue
Steroids / Lupus flares	Vitamin D, Calcium	Bone pain, weakness
Diuretics / POTS	Potassium, Magnesium	Palpitations, cramps
Statins	CoQ10	Muscle pain, fatigue
Methotrexate	Folate	Mood changes, brain fog, anemia
Antibiotics (long-term)	B vitamins, Vitamin K	Fatigue, mood, gut issues