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Functional Foods vs. Nutraceuticals

In this article we will discuss the benefits and concepts of functional foods vs nutraceuticals.

One of the most important trends of the last century is the human intention to improve eating habits, live a healthier life through exercise, care for the environment, and live longer and better, seeking quality of life in later years.

Just a century ago, the average human lifespan was around 50 years. Today, it is about 72 years, and working life has extended close to that age. However, the emergence of chronic diseases, mainly cardiovascular diseases and diabetes—linked to lifestyle habits developed since the baby boomer generation—continues to affect middle-aged individuals.

In childhood, sedentary behavior, malnutrition (obesity or undernutrition), and screen exposure are some of the main public health issues, affecting normal and future development from an early age.

The emergence of dietary supplements decades ago has sought to address nutritional deficiencies in both childhood and adulthood. An explosion of information, studies, rapid development, and the wide range of options overwhelming consumers make decision-making increasingly difficult.


Concepts of functional foods and nutraceuticals

Functional food

Guleben – functional foodsIt has been described as “a product, modified food, or food ingredient that provides health benefits beyond those offered by traditional foods” (Ashwell, 2001).

The concept originates from the idea of healthy food, defined as “a food free of health risks that retains its full nutritional potential, sensory appeal, purity, and freshness,” which later evolved into what we now call functional food.

Functional foods have a potentially positive effect on health beyond basic nutrition. They promote optimal health and help reduce the risk of disease.

Examples of functional foods:

  • Fortified milk
  • Infant formulas
  • Enriched yogurts
  • Fortified cereals
  • Enriched bread
  • Iodized salt

Nutraceuticals

guleben – nutraceuticalsIn 1989, Dr. Stephen DeFelice coined the term by combining “nutrition” and “pharmaceutical”.

“Let food be thy medicine and medicine be thy food” Hippocrates, 400 B.C.

We truly are what we eat. The intestine contains a vast number of cells that interact with food and help the body distinguish beneficial from harmful substances.


Functional Foods vs. Nutraceuticals

Functional foods provide essential nutrients:

  • Vitamins
  • Fats
  • Proteins
  • Carbohydrates

In childhood and adolescence, they support:

  • Skeletal development
  • Neural tube development
  • Growth and body composition
  • Immune function
  • Cognitive and psychomotor development

Nutraceuticals have specific characteristics:

  • Natural origin
  • Industrial isolation and purification
  • Stability
  • Chemical analysis
  • Reproducible studies under FDA criteria

Components include:

  • Proteins
  • Lipids
  • Probiotics
  • Prebiotics
  • Synbiotics
  • Calcium
  • Fiber

Nutraceuticals occupy a unique position between food and medicine.


Dietary supplements

Dietary supplements include:

  • Vitamins
  • Minerals
  • Trace elements
  • Extracts
  • Concentrates

They support health, but nutraceuticals additionally have preventive and therapeutic roles.


Conclusions on functional foods vs nutraceuticals

  • Functional foods and nutraceuticals are not the same
  • Functional foods belong to the nutraceutical category
  • There is a defined list of nutraceutical substances
  • Functional foods become therapeutic only under nutraceutical criteria
  • Some are dietary supplements, but must show clinical effectiveness

Text written by Octavio Davila | Scientific Director

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