There are many vitamin products on the market, and because they are not FDA-regulated, they may vary significantly in purity, ingredients, and dose.
People should always buy vitamin C from a reputable company and ensure that the products undergo third party antoanvesinh.com products listed below contain safe doses of vitamin C for adults and have undergone independent testing for quality.
Please note that the author of this article has not tried any of these products. All information presented here is purely research-based.
Care/of Vitamin C
Care/of is a vitamin subscription service that creates a personalized plan for individuals based on their health needs.
The brand’s vitamin C supplement undergoes multiple rounds of testing to ensure safety, and the brand also sources its ingredients from trusted suppliers.
The supplement is vegan, gluten-free, and genetically modified organism (GMO)-free, and it contains 250 mg of fermented vitamin C per serving.
Care/of Vitamin C is available for purchase online.
Ritual Postnatal
Ritual, another multivitamin subscription service, uses vitamin C as an ingredient in some of its products, including its postnatal multivitamin.
The tablet contains 25 mg of vitamin C and a number of other nutritional supplements, including choline, omega-3 fatty acids, vitamin D, and biotin.
Ritual claims that its ingredients are traceable and that customers can use the website to track the exact origin of the ingredients in the products.
Ritual Postnatal is available for purchase online.
Persona Vitamin C with Bioflavonoids
Persona is a subscription service that carries a vitamin C supplement containing bioflavonoids. The product is citrus flavored and can help boost antioxidant intake.
Each supplement contains 500 mg of vitamin C and has undergone quality testing at each stage to ensure safety.
Persona subscriptions also include consultations with nutritionists and personalized plans based on each individual’s health conditions.
Persona Vitamin C with Bioflavonoids is available for purchase online.
Pure Encapsulations Liposomal Vitamin C Liquid
The Pure Encapsulations Liposomal Vitamin C Liquid provides 1,000 mg of vitamin C in one teaspoon and comes in a pleasant citrus flavor. According to the company, it contains non-GMO ingredients and is suitable for vegans and vegetarians.
This product contains liposomal vitamin C, which means that tiny bubbles of oil contain the vitamin C.
According to one 2020 study, the gut absorbs this form of vitamin C easier. However, the company likely factored this into the product’s price, which is higher than that of other products by other brands.
The company is National Sanitation Foundation (NSF) and Good Manufacturing Practice (GMP) certified, and it has its ingredients tested for contaminants.
Pure Encapsulations Liposomal Vitamin C Liquid is available for purchase online.
Life Extension Buffered Vitamin C Powder
Some people find that taking ascorbic acid irritates their stomach. Buffered vitamin C is a less acidic form of the nutrient, which may help reduce adverse effects.
One serving of this powder provides 4,000 mg of vitamin C. This dose is very high — twice that of the upper limit that the NIH recommends.
However, as this product comes in a powder, people can lower the dose to a more moderate level by using smaller amounts of powder.
Life Extension is also NSF and GMP certified and produces a Certificate of Analysis for every product it makes.
Life Extension Buffered Vitamin C Powder is available for purchase online.
NOW Supplements Orange Chewable Vitamin C-500
People who do not like swallowing tablets may prefer a chewable vitamin. This product delivers 500 mg of vitamin C per chewable tablet. A person can take one or two per day.
The product is free from common allergens and suitable for vegans. It does contain some sugar and natural sweeteners, though this only totals 1 gram per dose. The tablets have a natural orange flavor.
According to the website, NOW exceeds GMP standards and tests all raw ingredients for safety and purity.
NOW Supplements Orange Chewable Vitamin C-500 is available for purchase online.