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— free, 24/7 — free, 24/7| Dosage | Package | Price per Dose | Price | |
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| 500mg | 270 pills | C$0.56 | C$220.82 C$154.58 Best Price Popular | |
| 500mg | 180 pills | C$0.60 | C$154.57 C$108.20 | |
| 500mg | 120 pills | C$0.70 | C$118.68 C$83.08 |
Please note: This page provides general information about vitamin C. It is not a substitute for medical advice from a healthcare professional. For personalized guidance, consult your doctor or pharmacist.
Vitamin C, also known as ascorbic acid, is an essential nutrient required for normal body function. The body cannot produce vitamin C on its own, so it must be obtained from the diet or from supplements.
In Canada, vitamin C is widely available as a dietary supplement. It may be sold over the counter depending on the product. Vitamin C acts as an antioxidant and supports several important bodily processes.
Dietary sources include citrus fruits, berries, peppers, leafy greens, and some fortified foods. Supplements are used to help meet daily needs or to support specific health goals, as advised by a healthcare professional.
Vitamin C is used to prevent or treat low levels of the vitamin in the body when dietary intake is not enough. It helps maintain normal tissue health and supports immune function as part of a balanced diet.
As an antioxidant, vitamin C helps protect cells from damage caused by free radicals. This role is one reason people take vitamin C supplements alongside a healthy diet.
Vitamin C also supports collagen formation, which is important for skin, cartilage, and wound healing. It aids in iron absorption from plant-based foods, helping to maintain adequate iron levels in some people.
Supplements are not a cure for diseases. They are intended to supplement the diet and should be used under the guidance of a healthcare professional if you have a medical condition or take other medicines.
Vitamin C functions as an antioxidant, neutralizing certain harmful molecules in the body. This can help reduce oxidative stress when consumed as part of a healthy diet and lifestyle.
It also acts as a cofactor in several enzymatic reactions. In collagen synthesis, for example, vitamin C aids enzymes that stabilize the collagen structure, which is important for skin, bones, and blood vessels.
Vitamin C enhances iron absorption from plant-based foods by reducing iron to a more absorbable form. It also supports immune system cells and may assist with the normal functioning of the immune response, especially during periods of increased physical stress or poor diet.
The exact effects of supplementation can vary between individuals. If you have questions about how vitamin C may fit into your health plan, discuss with a healthcare professional or pharmacist.
Always follow the directions on the product label or as advised by a healthcare professional. The label will indicate the form, strength, and recommended daily amount for the product you are using.
Vitamin C supplements come in several forms, including tablets, capsules, chewable tablets, and powders. Take the product with water unless the label says otherwise, and take it with meals if you experience stomach upset with a particular form.
Do not exceed the label’s guidance. If you have a health condition or take medicines, talk to a pharmacist before starting vitamin C supplements. If you miss a dose, take it as soon as you remember unless it is nearly time for your next dose.
Storage instructions are usually on the label. Keep supplements out of reach of children, store in a cool, dry place, and check for any changes in color, smell, or texture before use. If you are unsure about a product, ask a pharmacist for advice.
Vitamin C is not appropriate for everyone. Certain people should exercise caution or seek medical advice before taking supplements.
If you are unsure whether vitamin C is right for you, consult a pharmacist or doctor who can review your health status and medicines.
Vitamin C supplements should complement a balanced diet, not replace it. Do not use a product past its expiry date or if the seal is broken or damaged.
Keep products out of reach of children. If you notice allergic reactions such as swelling, severe skin reactions, or trouble breathing, seek urgent medical help. If you have severe stomach pain, persistent diarrhea, or signs of an intolerance, contact a healthcare professional.
If you are undergoing medical tests, tell your clinician you are taking vitamin C, as high doses can affect some laboratory results. Always use the product as directed on the label or by your healthcare professional.
Most people tolerate vitamin C well when used as directed, but some individuals may experience side effects.
If you notice any side effects that are severe or do not go away, stop using the product and contact a healthcare professional. Seek urgent medical help for signs of a serious allergic reaction or other concerning symptoms.
Vitamin C can interact with certain medicines and affect laboratory tests. To minimize the risk of interactions, tell your pharmacist about all medicines and supplements you take, including non-prescription products and vitamins.
If you have concerns about interactions, check the official product leaflet and speak with your healthcare professional before starting a supplement. Do not rely on general guidance alone for medicines with narrow safety margins.
During pregnancy, vitamin C intake through a balanced diet is important, and dietary supplements may be recommended in some situations. Use supplements only as directed and under medical supervision if you have concerns about safe amounts.
Breastfeeding generally allows usual dietary amounts of vitamin C. If you are considering higher-dose supplementation while breastfeeding, or if you have a medical condition, discuss with your healthcare professional to determine what is appropriate for you and your baby.
Always check the product’s labeling and speak with a clinician if you are unsure about dosing during pregnancy or breastfeeding. This helps ensure safety for you and your child.
Below are common questions people have about vitamin C supplements. The information is general and may not apply to everyone.
Always read the product label and talk to a healthcare professional if you have questions about dosage, interactions, or safety for your situation.
These questions cover general topics such as time to effects, missed doses, and pregnancy considerations.
Many people do not notice immediate changes. Vitamin C supports normal body functions over time, and benefits depend on your diet, health status, and overall nutrition. If you were deficient, normalization may take time and should be monitored by a clinician.
Take it as soon as you remember, unless it is almost time for your next dose. Do not double up to make up for a missed dose. If you are unsure, ask a pharmacist for guidance.
In general, vitamin C can be taken with many other vitamins or medicines, but some interactions exist. High doses can affect certain lab tests and iron absorption. Always inform your pharmacist about all medicines and supplements you take so they can assess potential interactions.
Vitamin C is not a proven preventive treatment for colds for everyone. Some individuals under physical stress may experience a small benefit, but it is not a substitute for medical care or vaccines. If symptoms persist or worsen, seek medical advice.
Typical dietary intake is considered safe during pregnancy. If you are using supplements, discuss with a healthcare professional to determine an appropriate amount. For breastfeeding, maintain normal dietary intake unless advised otherwise by a clinician.
Vitamin C supplements come as tablets, capsules, chewables, and powders. The best form depends on your preferences, digestive tolerance, and any sensitivities. Choose a product with clear ingredient labeling and from a reputable manufacturer. If one form causes stomach discomfort, you may discuss alternatives with a pharmacist.
Very high doses may affect some laboratory tests. If you are having blood tests or other diagnostics, inform your clinician that you are taking vitamin C supplements.
Children may take vitamin C supplements when appropriate for their age and needs, following the label directions or a clinician’s advice. Store products safely out of reach of children to prevent accidental overdose.
Store in a cool, dry place away from direct light. Keep the container tightly closed when not in use. Follow label storage instructions and check for any signs of spoilage before use.
Most vitamin C used in supplements is synthetic ascorbic acid, but the body uses it in the same way as vitamin C from foods. Some products may include additional ingredients or minerals. Check the product label for additives or allergens.
The information on this page reflects general guidelines for dietary supplements and vitamin C safety. For product-specific details, always read the official leaflet and consult a healthcare professional.
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