Page 1 - Reviews - NOW Foods, C-1000, 250 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.8
Based on 44,657 ratings
37,409
5,064
1,646
298
240
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What customers say
Customers highly appreciate the NOW Foods C-1000 Vitamin C supplement for its quality, trusted brand reputation, and effective immune support. The product features a potent 1000 mg dose per tablet, natural ingredients, and sustained release, which many users find beneficial for daily use. However, several customers noted that the tablets are quite large and can be difficult to swallow. Despite this, the supplement is praised for being easy on the stomach with no negative effects. The packaging and delivery service are also commended. Overall, it is considered a great value for money and comes highly recommended by users for boosting immunity and overall health.
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English
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iHerb customer
Posted on Sep 25, 2025
United States
3
3
0
0
it's work good
Verified purchase
My favorite brand because of the effectiveness and the quality of the products of NOW. The size of the capsule is the same in the label. I use the glutathione to detoxify my body because of my diet and also I know that it will lighten my skin also & have great benefit. I use it every night after 3 hrs from dinner or before bedtime. I received the product in good shape and the package is fully sealed.
85b23c10-5028-4757-8ad3-cd7a0e1d32fa
Khachik
Posted on Jul 12, 2026
United States
10
4
1
0
GOOD QUALITY
Verified purchase
The size is good, it does not sit heavy on the stomach and the effects are strong
2ad70233-5026-453b-a51f-ba5f8a788663
Maestro
Posted on Apr 21, 2026
Croatia
26
0
5
3
Strong Antioxidant Vitamin C
Verified purchase
NOW Foods C-1000 is a straightforward but very effective supplement that I’ve come to rely on. After regular use, I’ve noticed that I feel more resistant to seasonal issues, and my overall energy feels more stable. One thing I particularly like is that my skin looks a bit fresher and healthier, which is always a welcome bonus. The tablets are easy to take, and the quality is consistent. A simple yet powerful addition to daily health support.
CynWatt
Gold
Posted on Mar 26, 2026
Thailand
525
457
59
5,511
Lower Uric Acid 7.4 ➝ 6.3 👍
Verified purchase
Vitamin C may help lower uric acid levels, as studies show it can reduce serum uric acid concentrations. My young sons happen to have high uric acid level at 7.4 (probably genetic). I experimented by giving them a combination of Tart cherry + quercetin + vitamin C to help lower their uric acid without medication. Tart Cherry & Quercetin works as a xanthine oxidase inhibitor (similar to allopurinol). Vitamin C (Ascorbic Acid) acts as a Uricosuric Agent (increase excretion of uric acid in the urine). Their levels drop from 7.4 to 6.3.
Assia
Silver
Posted on Feb 26, 2026
United Arab Emirates
110
44
1
11
Good
Verified purchase
Good quality and easy to take I’ve been using this regularly and I’m happy with the quality. Capsules are easy to swallow and I didn’t experience any stomach discomfort. The formula feels clean and well made. Too early to judge long-term results but overall a solid addition to my routine.
iHerbCustomer
Gold
Posted on Oct 22, 2025
United Arab Emirates
886
23
5
271
Good
Verified purchase
I’ve been using iHerb for years. The product variety is excellent and I always manage to find what I’m looking for—even items that local stores don’t carry. Delivery is fast and the pricing is very competitive. Highly recommend
Minx
Gold
Posted on Mar 8, 2026
Hong Kong
395
0
6
70
Excellent
Verified purchase
A very high-quality vitamin C I have been using this brand for a very long time now ,easily absorbed in the body and does not cause any acid reflux.
Dean
Silver
Posted on Jan 21, 2026
United Kingdom (UK)
123
0
0
129
Verified purchase
Excellent brand, great quality and reasonably priced. I found this product very effective for boosting immunity. Tablets are easy to swallow and gentle on my stomach. The bottle lasts a long time. If you found this was useful, kindly consider giving this review a like :)
iHerb customer
Posted on Jan 10, 2026
Israel
40
35
1
38
great product
Verified purchase
good quality and size is big enough for a long use. very good vitamin C , a bit hard to swallow for me it's bigger than i thought but it's ok. the main thing for me is the quality of the product and this is a very good product. not making my stomach irritated and this is important.
ee3f083a-ff24-4468-8234-b203a2546944
Cassy
Gold
Posted on Dec 30, 2025
385
7
0
210
Powerful Daily Chlorella for Clean Nutrition
Verified purchase
The NOW Foods Chlorella tablets are amazing in quality with a pure and potent ingredient profile — each 1 g tablet feels substantial and effective. The package of 120 tablets is generous and lasts a long time, making it ideal for daily nutritional support. I’ve noticed real benefits in energy and overall wellness with consistent frequency of use. The tablets are easy to swallow, and despite being unflavored, they’re gentle on the stomach and easy to take with meals. The nutrient‑dense composition makes it a great addition to a balanced diet if you’re looking for antioxidant, immune, and detox support. Highly recommend for anyone wanting a reliable chlorella supplement!