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A softly glowing heart decorated with small flowers floats above dark grass under a deep violet night sky with drifting sparks of light.

Supplements for heart palpitations: what may help, what can cause them, and when to worry

Ribbons of pink and violet aurora light curve across a starry night sky above dark rolling hills and a meadow.

Natural sleep aids: does valerian work, and what about chamomile, L-theanine and glycine?

A man in a dark suit walks along a winding glowing path through rolling hills scattered with oversized pastel capsules and pills.

Supplements to lower cortisol and stress: what the research actually shows

A woman with closed eyes presses both hands to her head as a soft orange glow, like a flame, rises from it against a dark blue background.

Magnesium for migraines: does it work, how much to take and which form

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Magnesium for anxiety: does it work, which kind, and how to tell if it's helping

A man sits alone at a small round table with a glass in front of him at night, under a beam of soft violet light and drifting glowing particles.

Coffee and vitamins: what coffee blocks, what it doesn't, and how long to wait

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What vitamins should not be taken together, and why

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Best vitamins for women by age: what you actually need in your teens, 20s, 30s, 40s and after 50

A man in a light shirt stands on smooth blue rocks at dusk, bending forward and holding his leg as if easing a cramp.

Leg cramps at night, muscle twitching and shaky hands: is it magnesium?

A woman in pale pyjamas stands barefoot in a dark kitchen at night, reaching into a brightly lit open fridge full of cakes and desserts.

Why am I craving salt, sugar or ice? What cravings do and don't say about deficiencies

A woman with a faint halo sits curled up with her head bowed inside a softly glowing bowl of light against a deep blue background.

Vitamins for energy: what actually helps when you're always tired

A woman sits hugging her knees inside a giant transparent jar filled with colourful capsules and pills, glowing softly against a dark blue background.

Should I take magnesium? Signs you're low, which form to choose, and when to take it