Why Human Body Needs Supplementation?

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In today’s fast-paced world, eating a balanced diet consistently can be difficult with busy schedules. Supplementation helps fill the nutritional gaps that occur in one’s diet to maintain optimal health. There are many reasons why the human body can benefit from supplementation, especially if certain vitamins and minerals are lacking.

Not Getting Enough Essential Nutrients from Food

Many people do not receive their recommended daily intake of important nutrients due to:

  • Lack of availability of nutritious food
  • Busy schedules and reliance on fast, processed foods
  • Specialized or restrictive diets like vegan/vegetarian diets
  • Health conditions that impair nutrient absorption

Supplements can help bridge the nutritional gaps that occur and provide essential vitamins, minerals, and other compounds the body needs.

Key Nutrients Most Commonly Lacking

Several critical vitamins and minerals that provide a host of health benefits are often missing from people’s regular diets. Popular supplements help meet daily needs for:

  • Vitamin D – Necessary for bone health, immunity, mood regulation, heart health, and chronic disease prevention. Difficult to obtain from food alone.
  • Vitamin B12 – Essential for neurological health, energy levels, mood balance, heart health, and cell functioning. Primarily found only in animal protein sources.
  • Iron – Crucial for oxygen transport, energy levels, neurological development, and immune health. Low intake is common with restrictive diets.
  • Calcium – Up to 99% of the body’s calcium is stored in bones and teeth. Critical for bone density, strength, and fracture prevention. Low dietary calcium is common.
  • Magnesium – Involved in over 300 enzyme reactions in the human body. Most people do not meet the RDA through diet alone.
  • Omega-3s – Powerful anti-inflammatory compounds that provide heart, brain, eye, joint, and mental health benefits. Mainly found in fatty fish which many people eat infrequently.

Life Stages with Increased Nutritional Needs

During particular life stages, nutritional requirements increase substantially to support growth, development, and health. Supplementation can help provide the heightened level of vitamins, minerals, and nutrients needed during:

Pregnancy and Breastfeeding – Critical for fetal development and mother’s health and nutrient status. Pre-natal vitamins support increased needs.

Childhood and Adolescence – Nutrient needs elevated to support rapid growth and development physically and cognitively. Multivitamins provide nutritional insurance.

Senior Years – Bioavailability of certain nutrients declines with age. Combined with decreased food intake, supplementation often advised to slow aging process and reduce disease risk.

Challenges from Chronic Medical Conditions

Those suffering from gastrointestinal disorders, food sensitivities, malabsorption issues, and other health conditions have trouble absorbing key nutrients from food. Reliable delivery via supplements is often recommended.

Additionally, supplements like probiotics and omega-3s may improve symptoms or outcomes for conditions like:

  • Irritable bowel disease (IBD)
  • Diabetes
  • Heart disease
  • Arthritis
  • Anxiety/depression

Supporting an Active, Healthy Lifestyle

For individuals who engage in vigorous training, competitive athletics, or an active lifestyle, sports supplements can help improve performance, recovery, and health. Popular supplements for fitness include:

✓ Protein – Supports building lean muscle mass and repairing muscles post-workout ✓ Branch chain amino acids (BCAAs) – Reduces muscle damage from intense training ✓ Creatine – Boosts high-intensity energy output, muscle mass gains, and training capacity
✓ Beta-alanine – Delays onset of fatigue during exercise for strength and endurance gains

The Power of Preventative Health

Many supplements like antioxidants, anti-inflammatory compounds, probiotics, and phytochemicals derived from plants help reduce risk for chronic illnesses down the road including:

  • Heart disease
  • Certain cancers
  • Neurological decline
  • Metabolic syndrome

Rather than waiting until diagnosis of a condition, supplements support preventative health efforts beginning earlier in life for protective benefits later on.

Evaluating the Need for Supplementation

While supplementation has extensive benefits for filling nutritional gaps, supporting health conditions, aiding performance and recovery, and preventing disease, it should complement rather than attempt to replace a healthy balanced diet as the core foundation of nutrient intake.

When considering adding supplements, be sure to:

Analyze your routine diet for where key nutrients may be missing Have any bloodwork checked for nutritional deficiencies
Discuss options with your doctor, especially if taking medications or for a medical condition
Research high-quality supplement brands that fit your needs Avoid megadosing or taking superfluous products unlikely to provide additional benefits

Supplementation serves as an effective public health strategy for promoting wellness in those struggling to meet nutritional recommendations. An informed, strategic approach allows supplementation to have the biggest impact for bolstering health.

Peggy Wright

Peggy Wright

PhD, MED, RD, CNS, Content Director Peggy is a registered dietitian and nutritionist with over 30 years of experience counseling clients, teaching nutrition science courses, and developing educational content. She holds a PhD in nutritional sciences.