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Description
SISU Ester-CSISU Ester C SISU Ester C helps in the development and maintenance of bones, cartilage, teeth and gums. An antioxidant for the maintenance of good health. Features: Ester C is a unique, patented form of calcium ascorbate, which is made when ascorbic acid (regular vitamin C) is buffered with calcium using a water based process The calcium in Ester C provides part of your daily calcium requirements Ester C contains active vitamin C metabolites including
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SISU Ester-C
SISU Ester-C helps in the development and maintenance of bones, cartilage, teeth and gums. An antioxidant for the maintenance of good health.
Features:
Ester-C® is a unique, patented form of calcium ascorbate, which is made when ascorbic acid (regular vitamin C) is buffered with calcium using a water-based process
The calcium in Ester-C® provides part of your daily calcium requirements
Ester-C® contains active vitamin C metabolites including L-threonate, which enhance cellular absorption and retention
Ester-C® is the only form of vitamin C that has been proven to last up to 24 hours in the white blood cells of the immune system
Less acidic and easier on the stomach than ascorbic acid
Enhanced with quercetin, a powerful bioflavonoid and antioxidant with anti-inflammatory and anti-histamine properties
Ester-C® has a clinically-proven, higher bioavailability and retention rate than other forms of vitamin C
SISU Advantages:
High-potency tablets for people wishing to supply their needs with fewer pills
Easy-to-swallow, coated tablets
Suitable for vegans
Contains no ingredients that are a source of gluten
Good Manufacturing Practices standards
Tested for guaranteed purity and potency
NPN approved
Ingredients:
Medicinal: (per tab) Vitamin C (calcium ascorbate*)...1,000 mg; Calcium (calcium ascorbate*)...125 mg. *from Ester-C® brand calcium ascorbate
Non-Medicinal: quercetin (100 mg), microcrystalline cellulose, magnesium stearate (vegetable), stearic acid (vegetable), silicon dioxide, croscarmellose sodium, maltodextrin, acacia, calcium carbonate.
Coating: hypromellose, vegetable glycerin.
Dosage: (Adult) Take 1 tablet daily or as directed by a health care practitioner.
Play the SISU Ester-C video on Youtube
Highlights
Features:
Ester-C® is a unique, patented form of calcium ascorbate, which is made when ascorbic acid (regular vitamin C) is buffered with calcium using a water-based process
The calcium in Ester-C® provides part of your daily calcium requirements
Ester-C® contains active vitamin C metabolites including L-threonate, which enhance cellular absorption and retention
Ester-C® is the only form of vitamin C that has been proven to last up to 24 hours in the white blood cells of the immune system
Less acidic and easier on the stomach than ascorbic acid
Enhanced with quercetin, a powerful bioflavonoid and antioxidant with anti-inflammatory and anti-histamine properties
Ester-C® has a clinically-proven, higher bioavailability and retention rate than other forms of vitamin C
SISU Advantages:
High-potency tablets for people wishing to supply their needs with fewer pills
Easy-to-swallow, coated tablets
Suitable for vegans
Contains no ingredients that are a source of gluten
Good Manufacturing Practices standards
Tested for guaranteed purity and potency
NPN approved
Ingredients:
Medicinal: (per tab) Vitamin C (calcium ascorbate*)...1,000 mg; Calcium (calcium ascorbate*)...125 mg. *from Ester-C® brand calcium ascorbate
Non-Medicinal: quercetin (100 mg), microcrystalline cellulose, magnesium stearate (vegetable), stearic acid (vegetable), silicon dioxide, croscarmellose sodium, maltodextrin, acacia, calcium carbonate.
Coating: hypromellose, vegetable glycerin.
Dosage: (Adult) Take 1 tablet daily or as directed by a health care practitioner.
Play the SISU Ester-C video on Youtube
Highlights
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Perfect Dog Toy and hard to find
Color: Large size (7.9")
Hard to find toy. My dogs favorite toy and this is a really good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 1
Not strong. Didn't last
Color: Large size (7.9")
Was ripped apart very quickly. Not strong. Would not buy again
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Reviewed in the United States on May 10, 2026
★★★★★ 4
Keeps her busy!
Color: Medium size (5.9")
Our Molly loves this. Only thing is that it is a little too big for our Maltipoo, but she still tries to keep up with it.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Tough
Color: Medium size (5.9")
So far my dog hasn’t destroyed it! And it’s been a month. So I call that a win. Plus he loves it.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Dog approved
Color: Colorful, Size: Medium
Favorite bag for my dog
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Reviewed in the United States on May 30, 2026