Do You Really Need Supplements? A Food First Approach That Still Makes Room for More
- Kerri Louati

- Apr 1
- 5 min read
If you’ve spent any time in the health space, you’ve probably seen two extremes.
On one side, supplements are treated like the answer to everything. On the other, they are dismissed completely with the idea that you should be able to get everything you need from food alone.
The reality sits somewhere in the middle.
At the core of how I approach nutrition, food comes first. Always.
Food is foundational. It provides not just vitamins and minerals, but also fiber, phytonutrients, and the complexity that the body was designed to work with.
No supplement can fully replace that.
At the same time, the environment we live in today looks very different than it did even a few generations ago. And that matters when we talk about nutrient needs.
Why Food Is the Foundation
Think of your diet as the base of everything.
If the foundation is not there, supplements will only take you so far. They cannot override consistently poor nutrition, lack of protein, or highly processed food patterns.
Food does the heavy lifting. Supplements fill in where needed. A simple way to think about it is this: Food builds the house. Supplements help reinforce it.
Why Supplements Come Into the Picture
Even with a strong diet, there are several reasons why someone might still benefit from supplementation.
Our food system has changed. Soil quality has shifted over time, which can impact the nutrient content of the foods we are eating.
On top of that, the demand on the body has increased. Stress, environmental exposures, and overall lifestyle demands can increase the need for certain nutrients, especially those involved in energy production, detoxification, and nervous system support.
Genetics also play a role. Some people have variations that affect how they process and utilize certain nutrients. This is where things like methylation come in. If your body is not efficiently converting nutrients into their active forms, you may require different forms or higher amounts to support those pathways.
So while food remains the goal, supplementation can help bridge the gap when intake, demand, and individual physiology do not fully line up.
Not Everyone Needs the Same Approach
This is where nuance matters. Some people benefit from short-term, targeted supplementation.
For example:
• Supporting digestion for a period of time
• Repleting a specific deficiency like iron or vitamin A
• Addressing a more acute issue
In these cases, supplements are used more like a tool to get from one place to another.
Other times, supplementation is more foundational.
This might look like:
• Supporting magnesium levels over time
• Ensuring adequate omega 3 intake
• Filling in consistent gaps that are difficult to meet through diet alone
In this case, supplements are less about fixing something quickly and more about ongoing support.
Both approaches are valid. It depends on the person, their history, and what their body needs.
Supplements Go Beyond Just Vitamins
When most people think of supplements, they think of basic vitamins and minerals.
But supplementation can include a much broader range of tools. This can include:
• Herbal compounds that support different systems in the body
• Digestive enzymes to support breakdown and absorption of food
• Probiotics and beneficial bacteria to support the microbiome
• Homeopathic preparations
• Targeted compounds that are difficult to obtain in therapeutic amounts from food alone
For example, quercetin is a compound found in foods like onions and apples. While it is present in the diet, the amount needed to meaningfully support things like immune regulation or mast cell activity would be very difficult to obtain through food alone.
This is where supplements can be useful as a more concentrated and targeted tool.
The Form of a Nutrient Matters
It is not just about taking a supplement. It is about taking the right form.
Different forms of the same nutrient can behave very differently in the body.
Some are easier to absorb. Some are more bioavailable. Some are better suited for individuals with specific needs.
A common example is B vitamins. Certain forms are already in their active state, while others require conversion in the body. This is where methylation becomes important.
Methylation is a process that allows the body to activate and use certain nutrients. Genetic variations can impact how efficiently this process works.
In those cases, using specific forms of nutrients that support methylation can make a significant difference in how the body responds.
This is one of the reasons that a one-size-fits-all approach to supplements often falls short.
Balance and Dosing Matter
Nutrients do not work in isolation. They interact with each other, and balance is important. Taking one nutrient in high amounts can sometimes impact the levels or function of another. Certain minerals, for example, can compete for absorption.
More is not always better. Taking high doses without understanding what your body actually needs can create imbalances or place unnecessary stress on certain systems.
A better approach is being targeted and intentional, using the right nutrients in the right amounts based on what your body actually needs.
Real Life Considerations
There are also practical reasons why supplementation can be helpful.
For example, someone who avoids dairy may have a harder time meeting calcium needs through food alone. Someone with digestive issues may not be absorbing nutrients as efficiently.
In these situations, supplements can help support what is more difficult to achieve consistently through diet.
A More Targeted Approach
This is where using data becomes important. Rather than guessing, I use lab work, symptoms, and patterns to guide supplement recommendations.
This allows for a more precise approach, where supplements are used intentionally based on what your body is actually showing, not just what is trending or commonly recommended.
It also helps determine whether something is needed short term, longer term, or not at all.
Retesting can also be an important part of this process. As your body changes and responds, dosages may need to be adjusted, reduced, or discontinued altogether.
Bringing It Together
Food will always be the foundation. At the same time, supplementation can be a helpful tool when used intentionally.
For some people, that means short-term support to address a specific issue. For others, it means ongoing support to maintain nutrient levels in a way that is realistic and sustainable.
The key is knowing when, why, and how to use supplements in a way that supports your body without overcomplicating things.
Where Quality and Guidance Come In
Because quality, dosing, and form all matter, this is one of the areas where working with a practitioner can make a big difference.
I use a professional dispensary called Fullscript to ensure that the supplements being recommended meet higher standards for quality, storage, and testing.
This helps remove a lot of the uncertainty around what you are actually taking.
All of my patients also receive 20% off supplements through this platform, which makes higher-quality options more accessible without relying on less reliable sources. Create a free account here to get started.
It allows for a more intentional approach, where supplements are used to support your health in a way that is specific to you, not just based on what is most available or most marketed.




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