When you were a kid, your mother may have told you, “You are what you eat.”
As cliché as it may have been, there is a lot of truth to the saying. Healthy foods have profound healing powers, while unhealthy foods wreak havoc on our bodies. It all seems simple enough, right?
Despite what we know through modern science about nutrition, many of us still don't get all the proper nutrients we need to stay healthy and balanced. Even with a nutrient-dense diet, it can be difficult to consistently get everything the body needs due to imbalances in our food choices.
In this article, I want to share the “Fit 6” most essential, scientifically backed natural supplements that can help optimize your nutritional foundation and keep your body running smoothly for life. Here are some of my top daily picks.
Multivitamins
The best way to ensure proper nutrition is through a well-balanced diet. But for those who may be falling short of recommended daily nutrient levels, a study published in Nutrition Journal analyzed adults over 65 and found that multivitamin use reduced the risk of certain micronutrient deficiencies and aided cognitive functioning, especially in those over 75.
Since multivitamins typically contain ample amounts of B-complex vitamins and vitamin C, studies show that daily use can significantly improve energy levels—particularly for those deficient in these nutrients. Some universities, such as Arizona State University, even encourage students to take a daily multivitamin to support energy and stress resilience.
When selecting a multivitamin, read labels carefully and choose one that provides 100% of the Daily Value (DV) for most vitamins and minerals. Also consider formulas tailored to your age, gender, and lifestyle.
Vitamin D
Vitamin D does far more than support healthy bones. It is critical for immune function and plays a role in protecting against chronic diseases, including cardiovascular disease.
Most Americans have lower-than-optimal vitamin D levels, especially during winter months, making supplementation necessary for many.
Omega‑3 Fatty Acids
One of the most versatile and well‑researched supplements for overall health is omega‑3 fatty acids (EPA/DHA), commonly known as fish oil. According to the National Institutes of Health, omega‑3s help reduce pain and swelling associated with inflammatory conditions such as arthritis.
Omega‑3s are essential fatty acids—your body cannot produce them, so they must come from diet or supplementation.
Probiotics
The word “probiotic” comes from the Greek “pro,” meaning promotion of, and “biotic,” meaning life.
While harmful bacteria can cause disease, research continues to show that consuming beneficial bacteria supports a wide range of bodily functions, including digestion, immunity, and overall gut health.
CoQ10
If you feel like you lack the energy you once had, it may be related to low levels of Coenzyme Q10 (CoQ10). CoQ10 is essential for producing ATP, the primary energy source for every cell in the body.
CoQ10 is difficult to obtain in meaningful amounts from food alone, as it is most concentrated in organ meats such as beef heart and liver.
Protein (Whey)
Whey protein has become a popular dietary supplement, and research supports its benefits. According to the Mayo Clinic, whey protein can help maintain skeletal muscle mass.
Prevention Is Worth a Pound of Cure
It is never too late to begin building a strong nutritional foundation. As we age, nutritional gaps become more common, making prevention through a balanced, science‑based diet essential for long‑term health and vitality.
Until next time, stay healthy!
Yours in health,
Dr. Gregg Gittins

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