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View compareLow vitamin D levels are linked to fatigue, poor mood, and reduced performance, but the good news is that you can fix it. D3X delivers the right daily dose of D3 + K2 to restore what's missing, helping you feel energized, motivated, and back in control. Just one dropper a day supports your body and mind where it matters most so you can perform better, recover faster, and feel your best every day.*
Frequently Asked Questions
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Does vitamin D cause constipation?
No, vitamin D doesn’ttypically cause constipation. When taken in recommended amounts, it supports smooth digestion by promoting calcium balance and muscle health. D3X delivers a gentle, optimized dose that works with your body, not against it.
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Does vitamin D give you energy?
Yes, indirectly. Vitamin D helps your muscles and cells function efficiently, which can make you feel more naturally energized. D3X keeps your levels where they should be, helping you power through your day with clarity and focus.
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Does vitamin D help with hair growth?
Healthy vitamin D levels support normal hair follicle activity, an important factor for strong, healthy-looking hair. D3X keeps your levels balanced year-round, so your body has what it needs to thrive from the inside out.
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Does vitamin D help with sleep quality?
Balanced vitamin D levels support a healthy sleep rhythm by influencing mood and relaxation pathways. It’s not a sleep aid, but many people notice more restful nights once their vitamin D levels normalize. D3X helps you stay consistent every day.
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Does vitamin D deficiency cause weight gain?
Low vitamin D can make you feel sluggish and less active. Maintaining optimal levels supports metabolism, muscle health, and motivation. D3X helps you feel your best, inside and out.

