Potassium regulates muscle contraction, nerve function, and fluid balance. Low potassium can cause leg cramps, fatigue, and irregular heartbeat.

Sources:

• Bananas, oranges, potatoes, avocados
• Spinach, beans, lentils, coconut water

Although severe deficiency is uncommon in healthy individuals, it can occur with excessive sweating, vomiting, diarrhea, or the use of certain medications like diuretics.

When to See a Doctor

Nutrient deficiencies aren’t the only cause of leg or bone pain.
You should seek medical evaluation if you experience:

• Persistent or worsening pain that limits movement

• Swelling, redness, or warmth in your legs

• Numbness or weakness

• A history of osteoporosis or unexplained fractures

• Continued symptoms despite dietary or supplement changes

A doctor may order blood tests to check:

• Vitamin D, calcium, magnesium, and B12 levels

• Kidney and thyroid function

• Inflammatory markers

Early testing helps identify imbalances before they lead to serious complications.

Lifestyle Habits That Support Bone and Muscle Health

• Eat a balanced diet rich in whole, minimally processed foods

• Engage in regular physical activity, including walking, stretching, or strength training

• Limit alcohol and caffeine intake, which can deplete calcium

• Stay hydrated to prevent cramps and fatigue

• Take supplements only under professional guidance

• Prioritize quality sleep to support recovery and hormonal balance

Tip: Pair vitamin D with healthy fats (like olive oil, nuts, or avocado) to boost absorption.