NAD+ & Glutathione: Their Role in Cellular Health
Understanding Cellular Health
The human body is made up of trillions of cells, each carrying out essential processes that maintain normal biological function.
For cells to work efficiently, they must be able to:
produce energy
repair damage
maintain metabolic balance
protect themselves from environmental stress
Two naturally occurring molecules involved in these processes are NAD+ and glutathione.
Both are present throughout the body and play important roles in supporting normal cellular activity.
What Is NAD+?
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in all living cells.
It is involved in many metabolic reactions, particularly those responsible for converting nutrients into usable energy.
Within the body, NAD+ contributes to:
cellular energy production
mitochondrial function
metabolic pathways
DNA repair processes
Levels of NAD+ may gradually decrease with age, which has led to growing scientific interest in its role in metabolic health and ageing.
What Is Glutathione?
Glutathione is a naturally occurring antioxidant that helps protect cells from oxidative stress.
Oxidative stress occurs when there is an imbalance between free radicals and the body’s ability to neutralise them.
Glutathione supports several physiological processes including:
antioxidant protection
immune system function
cellular detoxification
maintaining redox balance within cells
Adequate glutathione levels are considered important for maintaining normal cellular defence mechanisms.
Supporting Cellular Function
Maintaining healthy cells involves a combination of lifestyle and medical considerations.
Factors that support cellular health include:
balanced nutrition
regular exercise
adequate sleep
avoiding smoking
managing long-term stress
These habits support the body’s natural metabolic and antioxidant systems.
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