Nutrients Your Medications May Be Depleting (And Why It Matters)

Medications can be life-saving. They can reduce pain, stabilize blood pressure, regulate blood sugar, and protect your heart.

But here’s what many people are never told:

Certain medications can quietly deplete essential nutrients from your body.

And over time, those deficiencies can create new symptoms that look like “a new health problem” — when in fact, they may be nutrient imbalances.

As a holistic nutritionist, this is something I assess carefully with clients. Because if you’re taking medication long-term, your nutrient status matters more than ever.

Food Isn’t What It Used to Be

Ideally, we would replace lost nutrients through food alone.

However, research comparing 43 fruits and vegetables between 1950 and 1999 showed significant declines in nutrient levels:

  • Protein ↓ 6%

  • Calcium ↓ 16%

  • Phosphorus ↓ 9%

  • Iron ↓ 15%

  • Riboflavin (B2) ↓ 38%

  • Vitamin C ↓ 20%

Why the decline?

  • Genetic selection for higher yield and longer shelf life

  • Soil depletion

  • Storage time

  • Environmental pollution

  • Fertilization practices

One study even showed tomatoes can lose 13% of their vitamin C within five days of storage.

Even organic produce can be lower in nutrients if the soil lacks potassium, phosphorus, nitrogen, calcium, or magnesium. As consumers, we can’t look at a tomato and know how nutrient-dense it truly is.

This is why I always encourage sourcing from local farmers and farmers’ markets whenever possible — fresher food often means higher nutrient retention.

But even with excellent food choices, medication use may increase your nutrient requirements.

Common Medications and the Nutrients They May Deplete

Here’s a simplified overview of potential nutrient depletions associated with various drug categories:

Acid-Suppressing Drugs (Antacids & PPIs)

May deplete:

  • Iron

  • Magnesium

  • Vitamin B12

  • Zinc

Antibiotics

May deplete:

  • B vitamins

  • Magnesium

Anticonvulsants (e.g., Mysoline, Phenytoin)

May deplete:

  • Biotin

  • Calcium

  • Vitamin D

Antidepressants (e.g., Amitriptyline, Imipramine)

May deplete:

  • Vitamin B2

Antifungals (e.g., Fluconazole, Amphotericin)

May deplete:

  • Magnesium

  • Potassium

Blood Pressure Medications

ACE Inhibitors (Captopril, Quinapril, Ramipril)

  • Zinc

Beta Blockers (Atenolol, Metoprolol, Propranolol)

  • CoQ10

Diuretics (Aldactone, Lasix, Microzide, Zaroxolyn)

  • Magnesium

  • Potassium

  • Vitamin B1

  • Zinc

Antipsychotics (e.g., Chlorpromazine)

  • Vitamin B2

Cholesterol-Lowering Drugs

Statins (Crestor, Lipitor, Zocor, etc.)

  • CoQ10

Bile Acid Sequestrants (Colestipol, Probucol)

  • Calcium

  • Magnesium

  • Zinc

Corticosteroids (e.g., Prednisone, Dexamethasone)

  • Calcium

  • Vitamin D

Digoxin

  • Vitamin B1

Glucose-Lowering Agents

Metformin

  • Folate

  • Vitamin B12

Sulfonylureas (Glipizide, Glyburide)

  • CoQ10

Hormone Replacement Therapy (Estrogens)

  • Vitamin B6

  • Folate

NSAIDs (Ibuprofen, Naproxen)

  • Folate

Oral Contraceptives

  • Vitamin B6

Stimulant Laxatives (Dulcolax, Senokot)

  • Calcium

  • Potassium

  • Vitamin D

Why This Matters

Nutrient depletion doesn’t always show up immediately.

It can slowly manifest as:

  • Fatigue

  • Muscle weakness

  • Mood changes

  • Poor immune function

  • Bone loss

  • Neurological symptoms

Sometimes the “side effects” you’re experiencing aren’t just from the drug — they may be from the nutrients your body is losing.

This does not mean you should stop your medication. It means you should support your body properly while taking it.

Should You Supplement?

If you are taking any of the medications listed above, you may benefit from targeted supplementation and dietary adjustments. But supplementation should be personalized — not guessed. The right form, dosage, and timing matter. Especially if you are managing multiple conditions or medications.

Let’s Look at the Whole Picture

If you’re on long-term medication and experiencing new symptoms, low energy, or stubborn health challenges, it may be time to assess your nutrient status.

I help clients:

  • Identify potential nutrient depletions

  • Optimize food choices

  • Create targeted supplement plans

  • Support medication safely with nutrition

You don’t have to choose between conventional medicine and holistic nutrition. You can support both.

Book your personalized consultation at

www.youniqueholisticnutrition.com

Your medications may be helping you survive.
Let’s make sure your nutrients help you thrive.

Written by - Janette deVries RHN, B.ed, H.BA

Sources

Davis DR, Epp MD, Riordan HD. Changes in USDA food composition data for 43 garden crops, 1950 to 1999. J Am Coll Nutr. 2004 Dec;23(6):669-82

Bear FE, Toth SJ, Prince AL. Variation in mineral composition of vegetables. Soil Sci Soc Am Proc. 1948;13:380-384

Albrecht, WA. Our Teeth and Our Soils. 1947. 6(4):199-213.

Schafer KS, Reeves M, Spitzer S, Kegley SE. Pesticide Action Network North America. May 2004.

Pure Encapsulations. https://www.pureencapsulations.com/media/18_09_PE_Drug_Nutrient_Depletions_FIN.pdf


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