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- 2025 Taiwan's Top 10 Vitamin C Recommendations | Brand Reviews and Buying Guide
2025 Taiwan's Top 10 Vitamin C Recommendations | Brand Reviews and Buying Guide
Before taking vitamin C supplements, understand its five major benefits
Vitamin C (also known as ascorbic acid) is an essential nutrient that the human body cannot synthesize on its own and must be obtained through diet or supplementation. Numerous clinical studies have confirmed that it plays multiple key roles in human health. Here are five key benefits of vitamin C:
Powerful antioxidant protection
Vitamin C possesses powerful antioxidant properties, neutralizing excess free radicals in the body, slowing cellular oxidative damage and thereby reducing oxidative stress. This property helps prevent common chronic diseases, including cardiovascular disease, aging, and neurodegenerative disorders. Furthermore, vitamin C, present in extremely high concentrations in the brain, helps maintain the health of nerve cells and reduce the risk of cognitive impairment.
Key to collagen synthesis
Vitamin C is an essential coenzyme for collagen production, directly impacting skin elasticity, connective tissue health, and wound healing. Proper vitamin C supplementation can promote collagen synthesis, helping to maintain skin structure and elasticity and accelerating tissue repair.
Immune system regulation
Vitamin C can enhance white blood cell activity and strengthen immune cells' defenses against pathogens. Clinical trials have shown that daily vitamin C supplementation can shorten the duration of colds by approximately 14% in children and by approximately 8% in adults. This effect is particularly pronounced in high-pressure or low-temperature environments.
Promote iron absorption
Vitamin C helps convert ferric iron in plant-based (non-heme-based) foods into more easily absorbed ferrous iron, significantly increasing iron absorption by up to 67%. This is particularly important for vegetarians or those at high risk of anemia, helping to prevent iron-deficiency anemia.
Skin health maintenance
Vitamin C can inhibit the activity of tyrosinase, reduce the production of melanin, and combined with sun protection measures, help improve uneven skin tone, fade dark spots, and maintain bright and healthy skin.
Key points for choosing vitamin C
How do I choose vitamin C? After testing dozens of products on the market, I've compiled the following key selection criteria:
Comparison of Vitamin C Formulations
- Tablets: The most common and convenient to carry, but some products dissolve slowly and have a relatively low absorption rate.
- Capsules: have a moderate absorption rate, are suitable for most people, and are easier to swallow.
- Effervescent tablets: They are absorbed quickly and are suitable for those who do not like swallowing tablets, but be aware that some products have a high sodium content.
- Powder: It has great flexibility in dosage adjustment and is suitable for people who need to precisely control their intake, but it is less convenient to carry and store.
Vitamin C dosage recommendations
The recommended daily intake for adults is 100–2000mg. The Ministry of Health and Welfare recommends a minimum of 100mg and an upper limit of 2000mg. General health advice is 500–1000mg daily, adjusted based on individual needs. Exceeding 1000mg may cause gastrointestinal discomfort such as diarrhea, and long-term excessive intake may increase the risk of kidney stones.
Differences between natural and synthetic
Natural sources (such as acerola and citrus extracts) contain a variety of phytochemicals and bioflavonoids, which help improve absorption and bioavailability. Synthetic vitamin C (ascorbic acid) has a simple structure, resulting in relatively low absorption and bioavailability. It is often found in high-dose products. When purchasing, check the ingredient label. Natural sources will be labeled as "Acerola Extract," indicating a simpler composition, while chemically synthesized forms will be labeled as "ascorbic acid."
Sustained-release technology
Products with a sustained-release formula allow vitamin C to be released slowly in the body, maintaining stable blood concentrations and reducing gastrointestinal discomfort caused by high-dose intake. Sustained-release tablets are suitable for those who are sensitive to high doses of vitamin C or have weak stomachs.
Certification mark
Give priority to products that have passed third-party inspections (such as SGS heavy metal inspections), international quality certifications (such as Monde Selection) or AA additive-free verification to ensure safety and quality.
Simple ingredients
Avoid products containing unnecessary chemical additives (such as pigments, flavors, magnesium stearate, etc.) and choose products with simple ingredients and no additional additives, which are more suitable for long-term supplementation.
Timing of use and precautions
It is recommended to take it after meals to help reduce gastrointestinal irritation. Avoid taking it at the same time as coffee, tea or antacids to avoid affecting absorption efficiency.
Top 10 Vitamin C Brands Recommended in 2025
Now, onto today's highlight: the following are the top 10 vitamin C brands of 2025, covering product features, target demographics, and price ranges. Combined with online reviews, we'll help you easily choose the best product for you. From high-potency, slow-release options to naturally derived ones, each one offers unique advantages!
1. BHK's: Innovative double-layer ingot design
- Product Features: 500mg per tablet, double-layer tablets combining rapid and sustained-release technology, high absorption efficiency, innovative dosage form, simple ingredients without compounding.
- Suitable groups: those who pursue new dosage forms, those who focus on absorption efficiency, and young people.
- Price range: approximately NT$390/bottle (60 tablets).
- Online reviews: Dcard users praised the product as "a novel double-layer design with good results," while PTT users praised it as "quickly absorbed and suitable for busy lives."
Product link: Go now 
2. Dayan Biomedical: High-Efficiency Sustained-Release Vitamin C
- Product Features: Each tablet contains 500mg of vitamin C, using 12-hour sustained-release technology for stable release and improved absorption rate. It won the Monde Selection Special Gold Award and has simple ingredients without unnecessary additives.
- Suitable for: Those who seek efficient supplementation and long-term maintenance, busy office workers and those who focus on immunity.
- Price range: approximately NT$580/box (mainly 60 tablets).
- Online reviews: "Continuous use significantly reduces the number of colds," "Sustained-release effect, suitable for long-term use."
Product link: Go now
3. VITABOX: Natural Acerola Vitamin C
- Product Features: Each capsule contains 135mg of vitamin C extracted from natural West Indian cherry. The capsule dosage form is additive-free and has passed multiple SGS inspections, making it safe for vegetarians.
- Suitable for those who value natural ingredients, vegetarians, and those with sensitive stomachs.
- Price range: approximately NT$290 per bag (30 capsules).
- Online reviews: "The natural ingredients give you peace of mind," "The capsules are small and easy to swallow, and they don't irritate your stomach."
Product link: Go now 
4. Centrum: Sweet chewable tablets for the whole family
- Product Features: Each tablet contains 500mg of vitamin C. These orange-flavored chewable tablets have a pleasant taste and simple ingredients, making them suitable for those who have difficulty swallowing capsules.
- Suitable for: the whole family, young and old, those who hate swallowing tablets, and those who pay attention to taste.
- Price range: approximately NT$269 per box (60 tablets).
- Online reviews: "Kids love it, it's like candy", "Convenient and easy to eat, always have it at home."
Product link: Go now 
5. Blackmores: International brand with high dosage
- Product Features: Available in 500mg and 1000mg film-coated tablets. This international brand has a strong reputation and pure ingredients, making it suitable for high-dose supplements, but the tablets are larger.
- Suitable for those who need high-dose supplements and those who value brand trust.
- Price range: approximately NT$399-799/bottle (60 tablets).
- Online reviews: "The 1000mg dose easily meets the recommended dosage," "The tablets are a bit large, so swallowing requires some adjustment."
Product link: Go now 
6. Evita: Double benefits for beauty and immunity
- Product Features: Each tablet contains 1000mg of sustained-release formula, containing citrus bioflavonoids and rosehip extract, which is continuously released for 8 hours to enhance antioxidant effects and has passed multiple safety tests.
- Suitable for: those who pursue beauty and immunity improvement, and women.
- Price range: approximately NT$880/bottle (60 tablets).
- Online reviews: "Skin tone becomes more even, fewer colds occur," "High doses have a significant effect."
Product link: Go now 
7. Sando: Affordable entry-level vitamin C
- Product Features: Each tablet contains 500mg of sustained-release film-coated tablets, which slowly release the drug over 12 hours. It is affordable, has passed SGS inspection, has a single ingredient, and is suitable for daily supplementation.
- Suitable for those with a limited budget and those trying vitamin C for the first time.
- Price range: approximately NT$446/bottle (60 tablets).
- Online reviews: "Affordable and easy to buy, with good results", "The best choice for entry-level products, no burden".
Product link: Go now 
8. Holle: Drink-style foaming tablets
- Product Features: 250mg per tablet, lemon or pineapple flavored effervescent tablets, chemically synthesized vitamin C, brewed into a drink, tastes similar to sparkling water.
- Suitable for: those who don’t like swallowing tablets, those who prefer drinks, and young people.
- Price range: approximately NT$270 per box (30 tablets).
- Online reviews: "It's like drinking sparkling water, delicious and convenient", "It tastes good, but the dosage is low".
Product link: Go now 
9. Renkoho: Ultra-Long-Lasting Natural Vitamin C
- Product Features: 500mg per capsule, extracted from West Indian cherry, uses 24-hour ultra-long-lasting release technology, no added sugar, simple ingredients, suitable for long-term maintenance.
- Suitable for: those who value natural sources, women, and those who take long-term supplements.
- Price range: approximately NT$280 per bag (30 capsules).
- Online reviews: "The natural ingredients are noticeable and improve skin condition", "Easily absorbed and no burden".
Product link: Go now 
10. DHC: Affordable and High-Performance Vitamin C
- Product Features: 500mg per capsule, added vitamin B2 to promote skin health, ziplock packaging for easy carrying, small capsules for easy swallowing.
- Suitable for: the middle class, students, and women who pursue beauty.
- Price range: approximately NT$180 per bag (60 capsules).
- Online reviews: "Affordable and easily absorbed, leaving skin feeling brighter", "Great value for money, a must-have for students".
Recommended Vitamin C Brands
| Brand Name | Product Features | Suitable for | Price range | Online reviews |
|---|---|---|---|---|
| BHK's | Each tablet contains 500mg of double-layer tablets, which combine rapid and sustained-release technologies, with high absorption efficiency, innovative dosage form, simple ingredients and no compounding. | Those who pursue new dosage forms, those who focus on absorption efficiency, and young people. | NT$390/bottle (60 tablets) | A Dcard user praised the "double-layer design, novel and effective," while a PTT user praised it as "quickly absorbed and suitable for busy lives." |
| Dayan Biomedical | Each tablet contains 500mg, 12-hour sustained-release technology, Monde Selection Special Gold Award, simple ingredients without unnecessary additives. | Those who seek efficient supplementation and long-term maintenance, busy office workers and those who focus on immunity. | NT$580/box (60 tablets) | "Continuous use significantly reduces the number of colds" and "Sustained-release effect, suitable for long-term use" |
| VITABOX | Each capsule contains 135mg of vitamin C extracted from natural acerola cherry. The capsule dosage form has no additives and has passed multiple SGS tests, making it safe for vegetarians to consume. | Suitable for those who value natural ingredients, vegetarians, and those with sensitive stomachs. | NT$290/bag (30 capsules) | "Natural ingredients give you peace of mind," and "the capsules are small, easy to swallow, and gentle on your stomach." |
| Centrum | Each tablet contains 500mg of the drug. These orange-flavored chewable tablets have a pleasant taste and simple ingredients, making them suitable for those who are not good at swallowing capsules. | Suitable for the whole family, young and old, those who hate swallowing tablets, and those who pay attention to taste. | NT$269/box (60 tablets) | "My kids love it, it's like candy," "It's convenient and easy to eat, so I always have it at home." |
| Blackmores | Available in 500mg and 1000mg film-coated tablets. This international brand has a good reputation and pure ingredients, making it suitable for high-dose supplements, but the tablets are larger. | Those who need high-dose supplements and those who value brand trust. | NT$399-799/bottle (60 tablets) | "The 1000mg dose easily meets the target," "The tablets are a bit large, so swallowing requires some adjustment." |
| Evita | Each 1000mg sustained-release tablet contains citrus bioflavonoids and rosehip extract, which are continuously released over 8 hours to enhance antioxidant effects and have passed multiple safety tests. | Those who pursue beauty and immunity enhancement, and women. | NT$880/bottle (60 tablets) | "Skin tone becomes more even, cold frequency decreases," "High doses have a significant effect" |
| Sando | Each 500mg sustained-release film-coated tablet slowly releases the drug over 12 hours. It is affordable, SGS-tested, and has a single ingredient, making it suitable for daily supplementation. | Those with a limited budget or those trying vitamin C for the first time. | NT$446/bottle (60 tablets) | "Easy to buy at a reasonable price, good results", "The best choice for beginners, no burden" |
| Holle | Each tablet contains 250mg of vitamin C. Available in lemon or pineapple flavors, these effervescent tablets contain chemically synthesized vitamin C. When brewed into a drink, they taste similar to sparkling water. | Those who don't like swallowing tablets, those who prefer drinks, and young people. | NT$270/box (30 tablets) | "It's like drinking sparkling water, delicious and convenient," "It tastes good, but the dosage is low" |
| Renkoho | Each capsule contains 500mg of vitamin C, extracted from Acerola cherry, and uses 24-hour ultra-long-lasting release technology. It has no added sugar and simple ingredients, making it suitable for long-term maintenance. | Those who focus on natural sources, women, and those who take long-term supplements. | NT$280/bag (30 capsules) | "Natural ingredients are effective and improve skin condition", "Easily absorbed, no burden" |
| DHC | Each capsule contains 500mg of vitamin B2 to promote skin health. The ziplock packaging is convenient for carrying and the small capsules are easy to swallow. | The middle class, students, and women pursuing beauty. | NT$180/bag (60 capsules) | "Affordable, easily absorbed, and brightens the skin." "Great value, a must-have for students." |
Vitamin C FAQs
Q1: Can vitamin C be taken on an empty stomach?
It is recommended to take it after meals to reduce gastrointestinal irritation and avoid discomfort or stomach pain. People with sensitive constitutions should pay special attention.
Q2: What is the difference between natural and synthetic vitamin C?
Natural vitamin C usually comes from plant extracts, contains bioflavonoids, and has a higher absorption rate; synthetic vitamin C is cheaper and has simpler ingredients. The effects of both are scientifically supported.
Q3: How much vitamin C do I need to take every day?
The recommended intake for adults is 100 to 2000 mg. The specific dosage should be adjusted according to personal health status and needs to avoid side effects caused by long-term overdose.
Q4: Can vitamin C whiten the skin?
Vitamin C promotes collagen synthesis and inhibits melanin production, which can indirectly improve uneven skin tone and achieve the effect of brightening the skin tone.
Q5: Who is not suitable to take vitamin C?
People with poor kidney function or a history of kidney stones should consult a doctor first to avoid the potential health risks of high doses of vitamin C.
in conclusion
There are numerous vitamin C brands on the market, so choose one based on your needs. For beauty, consider DHC or Alvita. For those seeking high-performance supplements, we recommend Daiyan Biomedical. And for those who prefer natural sources, choose VITABOX or Renkehe. When choosing, be sure to check for product safety certifications, the appropriate dosage, and the right timing. If you have any special health conditions, consult a professional physician first. Please share this article to help others find the most suitable vitamin C product.
(This article is owned by Darrick, and reproduction of pictures and text is prohibited)
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