Can the Kirkland Signature Vitamin C tablets be taken together with other supplements or medications?

The 1000 mg vitamin C tablet can usually be taken alongside multivitamins or minerals, but it may interfere with blood-thinning drugs such as warfarin and with certain chemotherapy agents, so users should consult a healthcare professional before combining it with other medications.

What are the possible side effects of taking a 1000 mg vitamin C tablet each day?

Daily intake of 1000 mg vitamin C may cause mild stomach upset, gas or diarrhea in some people, and prolonged high-dose use can increase the risk of kidney‑type stone formation, especially in individuals with a history of renal issues.

Is the packaging of this vitamin C supplement recyclable or made from sustainable materials?

The supplement comes in a plastic bottle with a cap of unknown material; while the container can be placed in most curb-side recycling streams, the product does not advertise any verified biodegradable or compostable packaging.

Kirkland

Vitamin C

Dietary Supplements

Product Insights

Kirkland Signature Vitamin C is a 1000 mg tablet dietary supplement designed to support immune function, collagen synthesis, and bone health, and it combines pure ascorbic acid with rosehip (Rosa canina) extract for added antioxidant benefits. The product is labeled gluten-free, lactose-free and free from artificial colors, yet it is classified as ultra-processed (NOVA 4) and contains common tablet excipients such as stearic acid, carnauba wax, hypromellose, and magnesium stearate. Adults and adolescents aged nine years and older are advised to take one tablet daily, store it in a dry place at 15-30 °C, and keep it out of reach of children.

Nutritional Values

Values per 100 g/ml

Added Sugars0 g

Fruits & Vegetables0 %

Comparative Analysis

Positioned as a high-dose, gluten-free vitamin C supplement with added rosehip extract, this Kirkland product targets cost-conscious consumers seeking immune-support capsules that are free from common allergens and artificial additives.

Ingredients

NPN 80082451 O Qualité Pureté Puissance La vitamine C Kirkland Signature" aide au développement et au maintien des os, du cartilage, des dents et des gencives. Aide à la formation du collagène. Aide à soutenir les fonctions immunitaires. Aide à prévenir une carence en vitamine C. Aide à maintenir les capacités du corps à métaboliser les nutriments. Un facteur contribuant à la croissance et au développement normaux. Source d'antioxydants qui aident à combattre les effets oxydatifs des dommages cellulaires causés par les radicaux libres. Elle fournit un antioxydant pour le maintien d'une bonne santé et favorise la formation du tissu conjonctif et la cicatrisation des blessures. POSOLOGIE POUR ADULTES ET ADOLESCENTS DE 9 ANS ET PLUS: 1 comprimé par jour ou selon les directives d'un professionnel de la santé MISE EN GARDE: GARDER HORS DE LA PORTÉE DES ENFANTS. CHAQUE COMPRIMÉ CONTIENT: INGRÉDIENTS MÉDICINAUX: Vitamine C (acide ascorbique) ........ Cynorrhodon (Rosa canina, fruit) ....... 1000 mg 40 mg INGREDIENTS NON MEDICINAUX: Acide stéarique, cire de carnauba, dioxyde de Sans levure ajoutée ⚫ Sans agent de conservation artificiel Sans lactose Sans sucrose Sans arômes ni colorants artificiels silicium, hypromellose, stéarate de magnésium. . Sans gluten Sans OGM . SCEAU DE SÉCURITÉ. NE PAS UTILISER SI L'OPERCULE IMPRIMÉ SOUS LE BOUCHON EST COUPÉ, DÉCHIRÉ OU MANQUANT. CONSERVER DANS UN ENDROIT SEC, 15 °C - 30 °C (59 °F-86 °F). 0 96619 27408" 6 23V04039a

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