Essential Vitamins & Minerals You May Need to Supplement
May 22, 2025Minerals
Calcium
Why It Matters: Bone strength, muscle function
Deficiency Signs: Cramps, fractures
Food Sources: Dairy, greens, tofu
Supplement Tips: Best with food, max 500 mg at a time
Magnesium
Why It Matters: Muscle/nerve function, relaxation
Deficiency Signs: Fatigue, cramps, anxiety
Food Sources: Nuts, seeds, spinach
Supplement Tips: Glycinate or citrate forms are gentle
Iron
Why It Matters: Oxygen transport, energy
Deficiency Signs: Fatigue, pale skin
Food Sources: Red meat, beans, spinach
Supplement Tips: Pair with vitamin C; avoid with calcium
Zinc
Why It Matters: Immunity, skin, healing
Deficiency Signs: Hair loss, weak immunity
Food Sources: Meat, nuts, dairy
Supplement Tips: Long-term use needs copper balance
Potassium
Why It Matters: Fluid balance, heart rhythm
Deficiency Signs: Weakness, palpitations
Food Sources: Bananas, potatoes
Supplement Tips: Only supplement under supervision
Selenium
Why It Matters: Antioxidant, thyroid
Deficiency Signs: Hair loss, fatigue
Food Sources: Brazil nuts, seafood
Supplement Tips: Only tiny amounts needed Iodine
Iodine
Why It Matters: Thyroid function
Deficiency Signs: Goiter, low energy
Food Sources: Iodized salt, seaweed
Supplement Tips: Especially important in pregnancy
Copper
Why It Matters: Iron metabolism, nerves
Deficiency Signs: Anemia, fatigue
Food Sources: Liver, seeds, whole grains
Supplement Tips: Balance with zinc intake
Vitamins
Vitamin D
Why It Matters: Bones, immunity, mood
Deficiency Signs: Fatigue, low mood
Food Sources: Sun, fatty fish
Supplement Tips: D3 + K2 for bone/artery health
Vitamin B12
Why It Matters: Nerves, energy, blood
Deficiency Signs: Fatigue, tingling
Food Sources: Meat, dairy
Supplement Tips: Essential for vegetarians/vegans
Folate (B9)
Why It Matters: Cell growth, pregnancy
Deficiency Signs: Fatigue, birth defects
Food Sources: Greens, beans, liver
Supplement Tips: Methylfolate is best absorbed
Vitamin C
Why It Matters: Immunity, collagen
Deficiency Signs: Infections, slow healing
Food Sources: Citrus, peppers
Supplement Tips: Take in divided doses for absorption
Vitamin A
Why It Matters: Vision, skin, immunity
Deficiency Signs: Dry skin, night blindness
Food Sources: Liver, carrots
Supplement Tips: Too much can be toxic-use caution
Vitamin E
Why It Matters: Antioxidant, cell health
Deficiency Signs: Weak immunity
Food Sources: Nuts, seeds
Supplement Tips: Use mixed tocopherols
Vitamin K
Why It Matters: Blood clotting, bones
Deficiency Signs: Easy bruising, bleeding
Food Sources: Greens, fermented foods
Supplement Tips: K2 (MK-7) supports bones with D3
When to Consider Supplementing
- Restricted diets (vegan, vegetarian, low-calorie)
- Limited sun exposure (for Vitamin D)
- Digestive issues (affect absorption)
- High stress or fatigue
- Aging or chronic illness
- Pregnancy or breastfeeding
CAUTION: Always consult your healthcare provider before starting any supplement. Blood tests can help determine what you truly need - more is not always better.
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