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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.
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Exchange/Return Notes
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4.7 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Works well
Style: Full Synthetic High Mileage, Size: 5 qt (Pack of 1), Configuration: 10W-30
I really like Valvaline oil for my vehicle, have for years
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
There’s oil in those yarn Hills!
Style: Full Synthetic High Mileage, Size: 1 qt (Pack of 1), Configuration: 5W-20
It’s great oil at a fair price. The shipping was expeditious and glad it was.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Great value, cheaper than local.
Style: Full Synthetic High Mileage, Size: 5 qt (Pack of 1), Configuration: 0W-20
Good value, fast shipping, Valvoline quality.
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Good buy
Style: Full Synthetic High Mileage, Size: 5 qt (Pack of 1), Configuration: 5W-20
Run of the mill oil but for a great price
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Reviewed in the United States on March 27, 2026
★★★★★ 5
The Excellence of Motion Preserved
Style: Full Synthetic High Mileage, Size: 1 qt (Pack of 1), Configuration: 5W-30
In the pursuit of the ideal, where reason governs and the forms of all things aspire to perfection, the Valvoline Full Synthetic High Mileage with MaxLife Technology 5W-30 Motor Oil presents itself as a manifestation of virtue within the mechanical realm. It is not merely oil, but a substance designed with foresight, sustaining the engine as the soul sustains the body. The viscosity is measured, neither excessive nor deficient, allowing parts to move in harmonious accord, reducing friction and preserving integrity.
One observes that engines treated with this oil respond with steadiness and endurance, as if guided by a rational principle, minimizing wear and extending life in a manner that reflects the pursuit of the Good. I grant it five stars, for it exemplifies a balance between strength and refinement, a practical embodiment of foresight, wisdom, and care—ensuring that motion, that vital energy, continues undisturbed, much as a well-ordered soul achieves its fullest expression through the contemplation of virtue.
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Reviewed in the United States on December 13, 2025