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Walking firmness depends on muscle strength, balance, vision, foot sensitivity, joints, blood pressure, blood sugar, and medications. No single ingredient corrects all of that.
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Coffee already contains caffeine, which can raise blood pressure, speed up the heart rate, and disrupt sleep. Adding an unknown product multiplies the risk.
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“Miraculous” supplements often include herbs that affect blood sugar or blood pressure (cinnamon, fenugreek, neem, thyme, rosemary, garlic). In an older person taking multiple medications, this can cause hypoglycemia, hypotension, dizziness, and falls.
Specific risks for your grandmother
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Medication interactions: Caffeine interacts with heart medications, blood pressure drugs, antidepressants, antibiotics, and anticoagulants. An unidentified product adds even more risk.
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Drops in blood sugar or blood pressure: If she has already experienced dizziness, this can worsen it.
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Falls: Dizziness when standing up or walking can end in a fracture.
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Kidneys and liver: Many “natural” powders are unregulated, can damage organs, or may be contaminated.
