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A man sits cross-legged among towering stacks of colourful supplement bottles and pill boxes, examining a small bottle in his hands.

Supplement and drug interactions: CoQ10, St John's wort, turmeric and the combinations to check

October 21, 2026

Lush flowering bushes line a calm bay at sunset, with soft pink light reflecting on the water.

Grapefruit and medication: which drugs don't mix, and why

October 21, 2026

A single large luminous blue flower with a glowing coral centre rising on a slender stem against a dusk sky over dark blue hills.

Welltory review: what users say, what it does well, and what to know before you start

October 21, 2026

A quiet shoreline at dusk, a pale path of sand curving along still blue water towards soft pink clouds and dark trees.

Is Welltory free? What you get for free, what Premium adds, and who needs which

October 21, 2026

A single pale blue flower glowing softly against a deep blue night, rising above dark rounded leaves.

Welltory vs Oura vs WHOOP: an app, a ring and a band compared on cost, accuracy and what you get

October 21, 2026

A single glowing cornflower rising from soft blue hills under a deep blue night sky.

Welltory vs Bevel: what each app measures, what it works with, and what it costs

October 21, 2026

Illustration of soft coral and peach clouds rolling under a deep blue evening sky, with a small glowing orange sun low between them.

Google Fit vs Samsung Health: what each one tracks, what is changing in 2026, and which to use

October 21, 2026

Illustration of tall vertical streams of teal and blue light falling through a night sky onto dark rounded hills, with a small figure standing in a warm pink glow.

Health Connect app: what it is, how it differs from Google Fit, and how to connect your watch

October 21, 2026

Illustration of a glowing coral cloud curling like a wave over dark blue hills at dusk.

ME/CFS heart rate and HRV: why general norms don't fit and how to find your own normal

October 21, 2026

Illustration of a person resting on a softly glowing swing seat among blue clouds, eyes closed, in front of a warm coral sun.

How to track fibromyalgia flares with a smartwatch: sleep, heart rate, HRV and a pain diary your doctor can use

October 21, 2026

A woman in a dark hooded veil, eyes closed, holds a softly glowing orb against a deep blue background.

PEM crash warning signs: early signals in your body and your watch data, and what to do about them

Energy-Limiting Conditions (ELC)

October 21, 2026

A calm blue shoreline at dusk, with a soft pink horizon and a quiet curve of sand beneath wooded hills.

Long COVID pacing with heart rate and HRV: how to find your limit and avoid a crash

Energy-Limiting Conditions (ELC)

October 21, 2026

Illustration of a single glowing coral tree standing alone on soft blue hills under a deep night sky.

How to track POTS with a smartwatch: standing heart rate, alerts, HRV and a log your doctor can use

POTS & Dysautonomia

October 21, 2026

Illustration of a doe standing in tall grass at dusk under an early evening sky.

Do we get an extra hour of sleep when the clocks fall back?

Circadian rhythm

October 21, 2026

A young woman with dark hair looks at a hairbrush full of loose strands in her hand, beside a mirror in a softly lit violet room.

Supplements for skin and hair: what actually helps hair loss, acne, dry skin and eczema

October 21, 2026

Glowing turquoise and pink waves roll across a calm blue sea towards soft hills and a thin orange line of light on the horizon.

How long do supplements take to work? Realistic timelines for magnesium, vitamin D, iron, B12, creatine and more

October 21, 2026

An open book lies on a deep blue surface as bright orange flames rise from its pages against a dark background.

Vitamin B complex: what it does, who needs B12, and why B6 now comes with a warning

October 21, 2026

A dense border of small glowing blue flowers and leaves frames a soft, light background.

Folate vs folic acid vs methylfolate: what's the difference, and do you need the "methylated" one?

October 21, 2026

Bright ribbons of aurora swirl across a starry violet sky above dark rolling hills and fields.

Supplements for endurance and performance: the few that actually work

October 21, 2026

A large glowing wave curls over a calm turquoise sea, its foam lit in pastel blues, yellows and pinks.

Fish oil benefits and risks: what omega-3 supplements can and can't do

October 21, 2026