Vitamine A
Roles and food sources, with cautions about excess, pregnancy and high-dose beta-carotene for people who smoke.
Repères pratiques en santé
Des guides pratiques et attentifs aux preuves sur les vitamines, minéraux et plantes médicinales
Des explications claires sur les preuves, la sécurité et les interactions—pour compléter, sans remplacer, l’avis de professionnels qualifiés.
Information médicale, et non avis médical
Sécurité et interactions
Information médicale, et non avis médical
Vitaminevi fournit des informations générales à visée éducative. Le site ne pose pas de diagnostic, ne traite pas et ne remplace pas l’avis d’un médecin, pharmacien, diététicien ou autre professionnel qualifié. Les compléments alimentaires et les plantes médicinales peuvent entraîner des effets indésirables et interagir avec des médicaments. Demandez conseil à un professionnel qualifié avant de commencer un produit si vous prenez un traitement, êtes enceinte ou allaitez, préparez une intervention chirurgicale ou souffrez d’une maladie chronique. Consultez en urgence en cas de symptômes graves ou s’aggravant rapidement.
Statut éditorial: En attente d’une relecture médicale ou pharmaceutique
Commencer par l’essentiel
Commencer par l’essentiel
Des explications claires sur les preuves, la sécurité et les interactions—pour compléter, sans remplacer, l’avis de professionnels qualifiés.
01
Understanding vitamins
How vitamins are grouped, what a food-first approach means, and why both deficiency and upper limits matter.
Lire le guide 02Calcium, magnesium and bone health
Diet, absorption and exercise for bone health, with kidney and medicine-related questions to discuss professionally.
Lire le guide 03Drug–nutrient interactions
Common interaction questions involving anticoagulants, thyroid medicines, antibiotics, metformin, diuretics and nutrients.
Lire le guide 04Pregnancy and breastfeeding
Folic acid, iodine and clinician-led choices, with cautions about retinoids, vitamin A and medicinal herbs.
Lire le guideCatégories thématiques
Catégories thématiques
Les liens externes ouvrent le site de destination dans un nouvel onglet.
Core vitamins
08
Vitamine B
The eight B vitamins, who may lack them, and when medicines such as metformin warrant a clinician discussion.
Vitamine C
Food sources, deficiency and the limits of common-cold evidence, plus kidney-stone and iron-absorption cautions.
Vitamine D
Sunlight, food, testing and bone health, with a clear look at risk groups, calcium and toxicity.
Vitamine E
Dietary sources and evidence limits, including why high doses need caution with bleeding risk and anticoagulants.
Acide folique
The eight B vitamins, who may lack them, and when medicines such as metformin warrant a clinician discussion.
Multivitamines
How to read labels, spot duplicate ingredients, assess quality marks, store products and report adverse effects.
Biotine
Deficiency versus cosmetic claims, biotin’s effect on lab tests and important retinoid cautions.
Minerals and related nutrients
08
Calcium
Diet, absorption and exercise for bone health, with kidney and medicine-related questions to discuss professionally.
Magnésium
Diet, absorption and exercise for bone health, with kidney and medicine-related questions to discuss professionally.
Potassium
Hydration and electrolyte losses, and why kidney disease or heart medicines make high-dose potassium a professional matter.
Iode
Deficiency risks, testing and pregnancy or thyroid context, balanced against toxicity and interactions.
Fer
Deficiency risks, testing and pregnancy or thyroid context, balanced against toxicity and interactions.
Zinc
Deficiency risks, testing and pregnancy or thyroid context, balanced against toxicity and interactions.
Sélénium
Deficiency risks, testing and pregnancy or thyroid context, balanced against toxicity and interactions.
Poudre d'électrolyte
Hydration and electrolyte losses, and why kidney disease or heart medicines make high-dose potassium a professional matter.
Metabolic and cellular topics
05
Coenzyme Q10
Food sources and realistic evidence boundaries, with cautions before surgery and alongside anticoagulants.
Acides gras oméga 3
Food sources and realistic evidence boundaries, with cautions before surgery and alongside anticoagulants.
Antioxydants
Dietary sources and evidence limits, including why high doses need caution with bleeding risk and anticoagulants.
Enzymes
How to read labels, spot duplicate ingredients, assess quality marks, store products and report adverse effects.
Equilibre acido-basique
How to read labels, spot duplicate ingredients, assess quality marks, store products and report adverse effects.
Plants and wellbeing
04
Thé bien-être médicinal &
Traditional use, preparation and product variability, plus liver, pregnancy and child-safety considerations.
Phytothérapie
Traditional use, preparation and product variability, plus liver, pregnancy and child-safety considerations.
Nerfs, calmant & Sommeil
A calm, sourced guide to notable interactions involving St John’s wort, ginkgo, ginseng, valerian and other herbs.
Défense contre le froid &
Everyday prevention and the limited evidence for zinc and vitamin C, without “immune-boosting” promises.
Life stages and conditions
05
Diabète
Food, monitoring and emergency awareness, with the reminder that supplements do not replace an individual diabetes plan.
Ménopause
Symptoms, lifestyle and bone health, with a balanced view of supplement and phytoestrogen evidence.
Grossesse & Allaitement
Folic acid, iodine and clinician-led choices, with cautions about retinoids, vitamin A and medicinal herbs.
Peau
Deficiency versus cosmetic claims, biotin’s effect on lab tests and important retinoid cautions.
Complément nutritionnel muscles, os & articulations
Activity, protein and key nutrients, plus pain warning signs and the evidence limits of joint supplements.
Références informatives sur les produits
Références informatives sur les produits
Les fiches produit ne sont pas publiées tant que les vérifications de la validité des liens, de l’éligibilité et de la sécurité ne sont pas terminées.
Guides approfondis
Guides des nutriments
Des explications claires sur les preuves, la sécurité et les interactions—pour compléter, sans remplacer, l’avis de professionnels qualifiés.
01
Understanding vitamins
How vitamins are grouped, what a food-first approach means, and why both deficiency and upper limits matter.
En attente d’une relecture médicale ou pharmaceutique
Sources (4)
- Healthy dietWorld Health Organization (WHO) · Source consultée le 2026-09-21
- Dietary reference valuesEuropean Food Safety Authority (EFSA) · Source consultée le 2026-09-21
- Dietary Supplements: What You Need to Know - ConsumerNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Multivitamin/mineral Supplements - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
02
Vitamin A and beta-carotene
Roles and food sources, with cautions about excess, pregnancy and high-dose beta-carotene for people who smoke.
En attente d’une relecture médicale ou pharmaceutique
Sources (3)
- Vitamin A and Carotenoids - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Antioxidant Supplements: What You Need To KnowNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- Updated measures for pregnancy prevention during retinoid useEuropean Medicines Agency (EMA) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
03
B vitamins
The eight B vitamins, who may lack them, and when medicines such as metformin warrant a clinician discussion.
En attente d’une relecture médicale ou pharmaceutique
Sources (6)
- Thiamin - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Riboflavin - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Niacin - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Pantothenic Acid - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Vitamin B6 - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Biotin - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
04
Vitamin C
Food sources, deficiency and the limits of common-cold evidence, plus kidney-stone and iron-absorption cautions.
En attente d’une relecture médicale ou pharmaceutique
Sources (2)
- Vitamin C - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Dietary Supplements for Immune Function and Infectious Diseases - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
05
Vitamin D
Sunlight, food, testing and bone health, with a clear look at risk groups, calcium and toxicity.
En attente d’une relecture médicale ou pharmaceutique
Sources (3)
- Vitamin D - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Calcium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Dietary reference valuesEuropean Food Safety Authority (EFSA) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
06
Vitamin E and antioxidants
Dietary sources and evidence limits, including why high doses need caution with bleeding risk and anticoagulants.
En attente d’une relecture médicale ou pharmaceutique
Sources (2)
- Vitamin E - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Antioxidant Supplements: What You Need To KnowNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
07
Calcium, magnesium and bone health
Diet, absorption and exercise for bone health, with kidney and medicine-related questions to discuss professionally.
En attente d’une relecture médicale ou pharmaceutique
Sources (4)
- Calcium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Magnesium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Vitamin D - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Physical activityWorld Health Organization (WHO) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
08
Iron, iodine, zinc and selenium
Deficiency risks, testing and pregnancy or thyroid context, balanced against toxicity and interactions.
En attente d’une relecture médicale ou pharmaceutique
Sources (5)
- Iron - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Iodine - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Zinc - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Selenium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- WHO recommendations on antenatal care for a positive pregnancy experienceWorld Health Organization (WHO) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
09
Potassium and electrolytes
Hydration and electrolyte losses, and why kidney disease or heart medicines make high-dose potassium a professional matter.
En attente d’une relecture médicale ou pharmaceutique
Sources (3)
- Potassium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Magnesium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- DehydrationNational Health Service (NHS), United Kingdom · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
10
Omega-3 and CoQ10
Food sources and realistic evidence boundaries, with cautions before surgery and alongside anticoagulants.
En attente d’une relecture médicale ou pharmaceutique
Sources (3)
- Omega-3 Fatty Acids - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Coenzyme Q10National Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- Dietary Supplements: What You Need to Know - ConsumerNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
11
Medicinal plants and teas
Traditional use, preparation and product variability, plus liver, pregnancy and child-safety considerations.
En attente d’une relecture médicale ou pharmaceutique
Sources (4)
- Herbal medicinal productsEuropean Medicines Agency (EMA) · Source consultée le 2026-09-21
- European Union monographs and list entriesEuropean Medicines Agency (EMA) · Source consultée le 2026-09-21
- Herbs at a GlanceNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- Herbal and Dietary SupplementsLiverTox, National Institute of Diabetes and Digestive and Kidney Diseases and National Library of Medicine, NIH · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
12
Herb–medicine interactions
A calm, sourced guide to notable interactions involving St John’s wort, ginkgo, ginseng, valerian and other herbs.
En attente d’une relecture médicale ou pharmaceutique
Sources (6)
- Herb-Drug Interactions: What the Science SaysNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- St. John's Wort: Usefulness and SafetyNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- Ginkgo: Usefulness and SafetyNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- Asian Ginseng: Usefulness and SafetyNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- Valerian: Usefulness and SafetyNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- Licorice Root: Usefulness and SafetyNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
13
Drug–nutrient interactions
Common interaction questions involving anticoagulants, thyroid medicines, antibiotics, metformin, diuretics and nutrients.
En attente d’une relecture médicale ou pharmaceutique
Sources (6)
- Vitamin K - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Levothyroxine: MedlinePlus Drug InformationMedlinePlus, U.S. National Library of Medicine (NLM) · Source consultée le 2026-09-21
- Metformin and reduced vitamin B12 levels: new advice for monitoring patients at riskMedicines and Healthcare products Regulatory Agency (MHRA), United Kingdom · Source consultée le 2026-09-21
- Vitamin B12 - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Calcium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Magnesium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
14
Diabetes and hypoglycaemia
Food, monitoring and emergency awareness, with the reminder that supplements do not replace an individual diabetes plan.
En attente d’une relecture médicale ou pharmaceutique
Sources (3)
- Low Blood Glucose (Hypoglycemia)National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), NIH · Source consultée le 2026-09-21
- Managing DiabetesNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), NIH · Source consultée le 2026-09-21
- Metformin and reduced vitamin B12 levels: new advice for monitoring patients at riskMedicines and Healthcare products Regulatory Agency (MHRA), United Kingdom · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
15
Menopause
Symptoms, lifestyle and bone health, with a balanced view of supplement and phytoestrogen evidence.
En attente d’une relecture médicale ou pharmaceutique
Sources (4)
- Menopause: identification and managementNational Institute for Health and Care Excellence (NICE) · Source consultée le 2026-09-21
- Menopausal Symptoms: In DepthNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- Calcium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Vitamin D - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
16
Pregnancy and breastfeeding
Folic acid, iodine and clinician-led choices, with cautions about retinoids, vitamin A and medicinal herbs.
En attente d’une relecture médicale ou pharmaceutique
Sources (6)
- WHO recommendations on antenatal care for a positive pregnancy experienceWorld Health Organization (WHO) · Source consultée le 2026-09-21
- Vitamins and supplements in pregnancyNational Health Service (NHS), United Kingdom · Source consultée le 2026-09-21
- Folic Acid: Sources and Recommended IntakeCenters for Disease Control and Prevention (CDC) · Source consultée le 2026-09-21
- Folate - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Iodine - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Vitamin A and Carotenoids - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
17
Muscles, bones and joints
Activity, protein and key nutrients, plus pain warning signs and the evidence limits of joint supplements.
En attente d’une relecture médicale ou pharmaceutique
Sources (4)
- Physical activityWorld Health Organization (WHO) · Source consultée le 2026-09-21
- Calcium - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Vitamin D - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Glucosamine and Chondroitin for Osteoarthritis: What You Need To KnowNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
18
Skin, hair and nails
Deficiency versus cosmetic claims, biotin’s effect on lab tests and important retinoid cautions.
En attente d’une relecture médicale ou pharmaceutique
Sources (5)
- Biotin - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Biotin Interference with Troponin Lab Tests - Assays Subject to Biotin InterferenceU.S. Food and Drug Administration (FDA) · Source consultée le 2026-09-21
- Updated measures for pregnancy prevention during retinoid useEuropean Medicines Agency (EMA) · Source consultée le 2026-09-21
- Iron - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Zinc - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
19
Immunity and common colds
Everyday prevention and the limited evidence for zinc and vitamin C, without “immune-boosting” promises.
En attente d’une relecture médicale ou pharmaceutique
Sources (4)
- Dietary Supplements for Immune Function and Infectious Diseases - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Vitamin C - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Zinc - Health Professional Fact SheetNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- About Common ColdCenters for Disease Control and Prevention (CDC) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
20
Choosing a supplement
How to read labels, spot duplicate ingredients, assess quality marks, store products and report adverse effects.
En attente d’une relecture médicale ou pharmaceutique
Sources (4)
- Dietary Supplements: What You Need to Know - ConsumerNIH Office of Dietary Supplements (ODS) · Source consultée le 2026-09-21
- Using Dietary Supplements WiselyNational Center for Complementary and Integrative Health (NCCIH), NIH · Source consultée le 2026-09-21
- How to Report a Problem with Dietary SupplementsU.S. Food and Drug Administration (FDA) · Source consultée le 2026-09-21
- Healthy dietWorld Health Organization (WHO) · Source consultée le 2026-09-21
Dernière mise à jour: 21-09-2026
01
Informations de livraison
Informations de livraison
Pour connaître les destinations, modes d’expédition, délais de traitement et estimations de transit actuels, consultez la page de livraison localisée de myApoteka.
Les délais de livraison sont des estimations et ne sont pas garantis. Vitaminevi n’est ni le vendeur, ni le transporteur, ni la partie responsable de l’expédition.
Consulter les modalités de livraison actuelles02
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Voir le profil Trustpilot actuelPolitique éditoriale
Politique éditoriale
Au lancement, ce site ne charge aucun outil d’analyse, traceur publicitaire ni widget tiers intégré. Les sites externes appliquent leur propre politique de confidentialité.
Sources
How to read labels, spot duplicate ingredients, assess quality marks, store products and report adverse effects.
Statut éditorial
- Statut éditorial
- L’éditeur ajoutera le nom de l’auteur avant la publication.
- Information médicale, et non avis médical
- En attente d’une relecture médicale ou pharmaceutique
- Dernière mise à jour
- 2026-09-21
Confidentialité et sites web externes
Au lancement, ce site ne charge aucun outil d’analyse, traceur publicitaire ni widget tiers intégré. Les sites externes appliquent leur propre politique de confidentialité.
Contacter l’éditeur: L’éditeur ajoutera ses coordonnées avant la publication.