Sisu
Ester-C 1,000mg - 60 Tabs
Ester-C 1,000mg - 60 Tabs
Key Benefits
Key Benefits
- Contains a vitamin C form that is easier on the digestive system
- Includes citrus bioflavonoids and plant extracts
- Provides a high potency of 1000 mg per tablet
- Suitable for daily supplementation
- Free from common allergens and preservatives
- Contains a vitamin C form that is easier on the digestive system
- Includes citrus bioflavonoids and plant extracts
- Provides a high potency of 1000 mg per tablet
- Suitable for daily supplementation
- Free from common allergens and preservatives
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Ester-C 1,000mg tablets provide a form of vitamin C designed for improved absorption and gentler effects on the digestive system. This product includes bioflavonoids and other natural extracts to complement the vitamin C content.

The formula is enhanced with citrus bioflavonoids derived from various citrus fruits, as well as extracts from acerola, rosehip, and rutin. These components are included to support the overall vitamin C profile. Ester-C tablets are free from dairy, gluten, soy, and preservatives.
Vitamin C is an essential nutrient that supports various bodily functions. Ester-C is formulated to provide a consistent and effective source of vitamin C with added natural ingredients to complement its absorption and activity.
- Vitamin C (calcium ascorbate) 1000 mg
- Calcium (calcium ascorbate) 125 mg
- Citrus Bioflavonoids 200 mg
- Acerola (Malpighia glabra, fruit) 25 mg (4:1 extract, QCE 100 mg)
- Rosehip (Rosa canina, fruit) 25 mg
- Rutin (Dimorphandra mollis, fruit) 25 mg
Non-medicinal ingredients:
- Calcium phosphate dibasic
- Microcrystalline cellulose
- Croscarmellose sodium
- Silicon dioxide
- Stearic acid (vegetable)
- Magnesium stearate (vegetable)
- Maltodextrin
Coating:
- Hypromellose
- Glycerin (vegetable)
- Purified water
Important information:
- Contains no dairy, citrus, wheat, gluten, soy, or preservatives.
Take one tablet daily or as directed by a health care practitioner.
Keep out of reach of children.
Format: Tablets
Main Ingredient: Vitamin C (calcium ascorbate)
Package Size: 60 Tablets
Brand: Sisu
Category:
SKU: sisu300
Barcode: 0777672010148
Product Details
Product Type: SupplementsFormat: Tablets
Main Ingredient: Vitamin C (calcium ascorbate)
Package Size: 60 Tablets
Brand: Sisu
Category:
SKU: sisu300
Barcode: 0777672010148
Daily Wellness
Easy to add to your everyday health routine.
Carefully Selected
Chosen with quality and customer needs in mind.
Simple to Use
Designed for convenient daily supplementation.
Ships to the U.S.
Fast, reliable shipping to U.S. customers.
Really like that this vitamin C doesn't upset my stomach like others I've tried before. Good daily supplement. I feel more energized since adding this to my routine, though hard to say if it's just placebo. Tablets are easy to swallow and don’t leave a weird aftertaste. Perfect size and easy to take daily without hassle. The added bioflavonoids make me feel like I'm getting a more natural boost compared to regular vitamin C. I've been taking this for a month now and haven't experienced any stomach discomfort, which is a big plus. Good value for the price, especially with 60 tabs in the bottle. I appreciate that these are gentle and I haven’t noticed any bloating or other issues. Ordered this because I wanted a vitamin C that’s supposedly easier on digestion, and it seems to work that way for me. Not too strong, not too weak - just right for daily use. The tablets dissolve nicely, and I feel better knowing I’m getting some extra natural extracts alongside the vitamin C. Packaging was solid and arrived quickly. These have become my go-to vitamin C supplement now. I like that these have a higher dose without feeling like I’m taking something harsh. Been using this through cold season and feel like it helps keep me going. Tastes neutral and doesn’t cause any weird burping or acid reflux, which some vitamin C tablets do. I think the form of vitamin C here is actually different; feels like it absorbs better than others I've used. Kids don’t like the size of these, but for me, no problem swallowing. Would recommend for anyone looking for a vitamin C that’s easier on the tummy. No weird additives, which is great for someone watching what they put in their body. Takes the edge off when I feel rundown, but I always pair it with a good diet. If you want to avoid the sour stuff, this is a much gentler option. The bioflavonoids are a nice touch; I like supplements that offer a bit more than just basics. Haven’t experienced any side effects, which isn’t always the case with vitamin C tablets. A convenient bottle size that lasts me a couple of months with daily use. Picked this up after reading about Ester-C’s better absorption, and so far I’m happy with how it feels. I take these in the morning with my breakfast and haven’t had any complaints from my digestive system. I might repurchase just because of how mild these are on my stomach compared to others that upset me. These don’t leave me feeling jittery or overstimulated, just a nice daily boost. Overall a solid choice if you want vitamin C with a bit extra natural support without harshness. I've tried many brands, and this one feels smoother, no acid reflux. Definitely recommend if you want something reliable and gentle.