Vitamin B12: why a normal blood test does not rule out deficiency
B12VitaminsBwell documented Vitamin B12: why a normal blood test does not rule out deficiency The liver buffers a B12 deficiency for years, and the standard test mostly measures a form your cells cannot use. What holo-TC and methylmalonic…
Iron deficiency: why your blood test looks normal
You can be short of iron without being anaemic. What haemoglobin and ferritin actually measure, and why refilling the stores takes months.
Diverticula: what to eat during and after a flare-up
Nuts and seeds banned, a fibre-free diet: what the studies actually show about eating with diverticula and diverticulitis.
Omega-3: what dose of EPA and DHA, for what effect
Triglycerides down by around 15 %, in proportion to the dose: what omega-3 does best, and how to choose between fish, capsules and algae.
Collagen: two different products under the same name
Peptides in grams for the skin, type II at 40 mg for the joints: what each has demonstrated, and who funded the studies.
Intestinal candidiasis: what the tests cannot tell you
The glass of water test, online kits, anti-candida courses: what holds up, what does not, and what research actually recognises.
Soy and hot flushes: why it works for her
Only 35 % of women produce equol, the molecule that actually works. What that changes for isoflavones and menopause supplements.
Casein at night: who it really helps, and why
Improved overnight protein balance, amino acids built into muscle: what evening casein delivers, and why the daily total comes first.
Zinc: what the blood test does not really tell you
Colds shortened by a third, but with 80 mg lozenges. A misleading blood test, a risk of copper deficiency: the full picture on zinc.
Reflux: the advice that really counts, in order
Heartburn: why symptoms come back when treatment stops, and which everyday measures actually have data behind them.
Berberine: banned in the EU, on sale in Switzerland
What 46 randomised trials really show, where that evidence comes from, and why the authorities flag interactions with medicines.
Vitamin K2: the dose at which it works, depending on the goal
180 µg of MK-7 a day improved arterial stiffness over three years. What each form actually demonstrates, and at what dose to choose it.
Fatty liver: what actually makes it regress
The name changed in 2023, and so did the diagnosis. What biopsies show about weight loss, and why being slim is no protection.
Vitamin D test: who pays for what in Switzerland since 2022
Preventive testing is no longer covered by basic insurance. When it still is, what to raise at the consultation, and why the science agrees.
Red yeast rice: a statin dressed up as a supplement
Banned in Switzerland, and not because it fails to work: its monacolin K is identical to lovastatin. What 14 double-blind trials show.
Histamine intolerance: what the DAO test does not tell you
Contradictory food lists, a DAO blood level sold as a verdict: what the studies actually show, and the approach that holds up.
Osteoporosis: what builds bone and what maintains it
Nutrients supply the material, mechanical loading gives the signal: +2.9 % bone density in 8 months on two sessions a week.
On Ozempic or Wegovy: why protein becomes essential
On Ozempic or Wegovy, part of the weight you lose is muscle. How much protein to aim for, and how to reach it despite…
Can a Multivitamin Slow Down Brain Ageing?
Memory or brain shrinkage: two kinds of ageing not to confuse. What the COSMOS trial really shows about the multivitamin: without the hype.
Sports supplements: what really works for performance and recovery
Creatine, caffeine, whey or magnesium: a clear look at the supplements that truly support athletic performance and recovery, and the ones that are overrated.
Prevention over correction: how supplements became a pillar of everyday health
Why supplements have become a pillar of everyday health and prevention: what the science actually says, without the hype.
Magnesium and Sport: Which Form to Choose, at What Dose, for What Effects
Magnesium matters when you train, but it's no magic powder. Which form to choose, at what dose, and for what real effects?
Vitamin B6: Which Foods Contain It (and How Much Do You Need)?
The best foods rich in vitamin B6, your real daily needs, and when a well-dosed supplement usefully tops them up.
Homocysteine: Levels, Causes and What the Research Really Shows
An amino acid that, in excess, threatens the heart and brain: understand homocysteine, its risks and how to lower it.
Hypothyroidism: symptoms, causes, diagnosis and treatment
Fatigue, weight gain, feeling cold: is your thyroid running on low? Understand and manage hypothyroidism.
SIBO: symptoms, diagnosis and treatment
Persistent bloating, troubled digestion? When bacteria colonise the small intestine: symptoms, diagnosis and treatment, with no false promises.
Vitamin E: role, sources and deficiency
The antioxidant that shields your cells: what it really does, the foods richest in it, signs of deficiency and the truth about supplements.
Helicobacter pylori: Symptoms and the Role of Probiotics
Present in 4 of 10 adults, often silent, sometimes behind ulcers. Symptoms, diagnosis, treatment, and the real role of probiotics.
Probiotics and diarrhoea: what the science really says
Probiotics and diarrhoea: what the science really says By Naram Hasan, Founder of SwiLab Published on 17 June 2026 Quick summary Do probiotics help…
Probiotics and constipation: which strains for regular bowel movements?
Which probiotic strains really help with constipation? What the meta-analyses show: Bifidobacterium lactis shortens intestinal transit.
Starting to run well: pitfalls to avoid and practical tips
Your first kilometres without injury or discouragement: the classic beginner pitfalls and how to avoid them.
How to Lose Belly Fat for Good: the Science-Backed Method
Crunches, crash diets, sweat belts… and the belly's still there? It's not your fault. The method that actually works, backed by science.
Do vitamins for hair really work?
Biotin, iron, vitamin D… do they really regrow hair? What science backs up, and what's just marketing.
Coenzyme Q10 (CoQ10): Benefits, Dosage, and Safety | A Complete Guide
Cardiovascular benefits, optimal dosage, ubiquinol or ubiquinone, safety and drug interactions: what recent PubMed meta-analyses actually show.
Probiotics and antibiotics: when to take them, which strains, how long
Antibiotics protect but also destroy beneficial gut bacteria. Which probiotic strains are proven effective, when exactly to take them and for how long: the…
Probiotics and Gut Flora: How to Restore and Protect Your Microbiome
100 trillion microorganisms live in your gut. How to recognise dysbiosis, choose the right probiotic protocol for each situation and restore gut flora sustainably:…
Probiotics for Weight Loss: What the Studies Say
Meta-analyses show ~0.9 kg weight loss versus placebo over 8-12 weeks: real, but modest. Which strains work, what dosage is needed, and which bacteria…
Natural Probiotic Foods: Best Sources for Gut Health
From fermented foods to dietary supplements, learn how to choose the right natural probiotics for your needs. Science-backed advice, tailored for Switzerland.
Vitamin B12: Does it really work instantly ?
An energy boost on demand? Vitamin B12 doesn't work that way. Discover when supplementation actually makes a difference, which symptoms signal a deficiency and…