What if the supplement you’re taking isn’t actually fixing the problem?
- Kim Moynihan

- Nov 25
- 5 min read
Most people are using supplements completely wrong.

If you’re like most people, you’ve probably bought supplements hoping they’d fix your fatigue, sleep, hormones, digestion, or inflammation—only to wonder later if they were even doing anything.
The truth is, capsules often promise results they can’t deliver. And in many cases, herbs can accomplish the same goal more gently, more effectively, and with far fewer side effects.
So when does your body actually need a supplement? And when is an herb the better choice?
As both a clinical herbalist and a functional health specialist, I use both herbs and supplements in my practice. But they are not interchangeable, and they do not play the same role in the body.
This blog explains:
When supplements are truly necessary
When herbs are actually more effective
Why whole-plant medicine supports deeper healing
How to decide which approach your body needs
Common deficiencies best corrected with herbs
Deficiencies that require temporary supplementation
This is the guide I wish every client had before purchasing their next supplement.
Herbs vs Supplements: What’s the Difference?

Herbs are whole-plant medicine.
Supplements are isolated nutrients or chemicals.
Understanding this difference is foundational.
Herbs: Whole Plant Synergy
Plants contain dozens—sometimes hundreds—of active constituents:
Phytochemicals
Flavonoids
Minerals
Antioxidants
Vitamins
Enzymes
Volatile oils
Alkaloids
All of these compounds work together in a synergistic way that enhances absorption, buffering, and tolerability.
Because herbs contain their own natural “co-factors,” they often offer:
More gentle, whole-body healing
Easier absorption
Better tolerance
Lower risk of side effects
Long-term nourishment of organs and systems
Supplements: Isolated Nutrient Therapy

Most supplements provide isolated nutrients:
A single vitamin
A single mineral
A single molecule (e.g., melatonin)
A lab-made version of a nutrient
These can be therapeutic when the body has a true deficiency, but they:
Lack the buffering synergy of whole plants
Can overwhelm sensitive systems
Can cause digestive upset
Are not always well absorbed
Need to be taken at precise doses
This is why supplements should be considered targeted medicine, not daily “nutrition.”
Herbs are nourishment. Supplements are tools.
Why Herbs Often Work Better Than Supplements
Herbs Support the Whole System, Not Just One Number

A supplement corrects ONE thing:
Vitamin D → raises D levels
B12 → raises B12
Iron → raises ferritin
But herbs address why those levels were low in the first place:
Stress response
Poor absorption
Digestive weakness
Liver sluggishness
Hormone imbalance
Low stomach acid
Chronic inflammation
Supplements can refill a tank. Herbs fix the engine.
Herbs Contain Natural Co-Factors That Improve Absorption
Example:You can take magnesium glycinate as a supplement…OR you can drink oatstraw tea with magnesium + silica + B vitamins + nervine compounds that help the magnesium get into muscles and nerves more effectively.
Whole plants contain the supportive nutrients the body needs to use them properly.
Herbs Build Long-Term Resilience
Herbs:
Tonify organs
Calm the nervous system
Strengthen digestion
Balance hormones
Improve detoxification
Nourish tissues
Strengthen the lymphatic system
Supplements cannot do this.
Supplements change numbers. Herbs change physiology.
When Supplements Are Appropriate
Even though herbs are profoundly effective for most cases, there are times when supplements are the correct tool.
Supplements should be used when:
A deficiency is severe
A nutrient is measurably low on labs
Symptoms reflect a true insufficiency
A short-term therapeutic dose is needed
Absorption is impaired
The goal is to replete quickly and efficiently
In these cases, a supplement can be used temporarily, followed by herbs and nutrition to maintain levels.
How I Decide Between Herbs and Supplements

I use a simple but powerful two-question method:
Can the body correct this imbalance using herbs and nutrition?
If yes → we use herbs for deeper repair.
Is this deficiency severe enough that supplementation is necessary?
If yes → we add a supplement short-term.
This way:
Herbs do the long-term healing
Supplements provide short-term correction
The body is not overloaded with pills
You get the gentlest, most effective plan
This approach brings balance without bombarding the body.
Common Deficiencies That Are Better Corrected With Herbs
Below is a clinically informed list of deficiencies or symptoms that typically respond better to herbal support — or should START with herbs before considering supplements.
Mild Iron Depletion
Many women assume they need iron supplements for fatigue, headaches, or low energy.
But mild iron depletion often corrects beautifully with:
Nettle
Yellow dock
Red clover
Burdock
Dandelion root
Molasses
Magnesium Deficiency Symptoms
Magnesium supplements can help, but they’re not always necessary.
Herbs naturally rich in magnesium include:
Oat straw
Oat tops
Nettle
Alfalfa
Linden
Lemon balm
These herbs calm the nervous system while restoring minerals.
Low B Vitamins (Stress, fatigue, poor mood)
Many B vitamin deficiencies are actually functional, not absolute.
Herbs help improve both the nutrient levels AND the nervous system:
Oats (excellent for chronically stressed individuals)
Nettle
Holy basil
Skullcap
Lemon balm
Schisandra
Supplements are used only when methylation issues or lab values require them.
Potassium & Electrolyte Imbalances
Most mild potassium issues correct with:
Dandelion leaf
Nettle
Hibiscus
Coconut water
Mineral-rich broths
Potassium supplements are not usually needed unless medically indicated.
Stress, Sleep, and Adrenal Dysfunction
These are almost always better healed with herbs:
Ashwagandha
Holy basil
Motherwort
Lemon balm
Skullcap
Passionflower
Hawthorn
Supplement-based hormone or neurotransmitter support should be temporary, if used at all.
Mild Thyroid Sluggishness
Herbs can be profoundly helpful for sluggish thyroid function:
Ashwagandha
Nettle
Holy basil
Seaweed (food-based iodine)
Guggul (case-specific)
And most importantly: For selenium support, I almost always start with 2-3 Brazil nuts per day rather than a selenium supplement. Food-based selenium is better absorbed and safer for long-term use.
Supplements are used when:
Labs confirm persistent or severe deficiency
Brazil nuts + herbs are insufficient
T3 conversion is extremely low
Inflammation & Joint Pain
Herbs shine here because they support the root cause, not just the symptoms.
Turmeric
Ginger
Devil’s claw
Nettles
Meadowsweet
Willow bark
Supplements (like omega-3s) are only needed when test results confirm deficiency.
The Best Approach: Herbs First, Supplements When Needed
In my practice, the most effective wellness strategy is:
Step 1: Rebuild and nourish the body using herbs.
Herbs restore balance, support the nervous system, improve digestion, strengthen detox pathways, and help the body use nutrients correctly.
Step 2: Use supplements temporarily to correct measurable deficiencies.
This prevents overwhelm and ensures supplements remain therapeutic—not lifelong prescriptions.
Step 3: Transition back to herbal and nutritional maintenance.
This keeps you supported without depending on synthetic isolates.
Final Thoughts
Herbs are the body’s natural language. Supplements are tools.
Herbs nourish and rebuild. Supplements correct and replete.
Knowing when to use which is the core of holistic wellness—and the foundation of the work I do at Tiger Creek Wellness.
If you’re struggling with symptoms, unsure whether you need herbs or supplements, or tired of guessing what your body needs, I'd love to help you create a personalized, step-by-step plan.
This information is intended for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult with your qualified healthcare provider before beginning any new health regimen, supplement, or herbal preparation—especially if you are pregnant, nursing, taking medication, or have a medical condition.




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