High vitamin C intake is sometimes associated with stomach upset. Ultra Potent-C 1000 is a proprietary, patented vitamin C formula that features a buffered delivery system designed to help prevent this.
Preliminary scientific research suggests that vitamin C in the form of Ultra Potent-C may result in improved uptake of the vitamin by white blood cells when compared to regular ascorbic acid.*
$38.75
Online shop only. Valid only through 5/27/25.
Take one tablet up to two times daily or as directed by your healthcare practitioner.
Keep out of the reach of children.
Keep tightly closed in a cool, dry place.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent disease.
Our on-staff nutrition experts are quick to respond and can answer any questions, curiosities, or concerns you may have about our products.
“I love Clearspring! They actually remember me when I walk in. The staff is so nice & knowledgeable. The pharmacists will take the time to speak with you & answer questions. The pharmacy has great products & wonderful cards too!”
We are a local compounding pharmacy in Denver, Colorado. Check out our reviews and see why we are loved in our community!
“Extremely kind staff! They helped us right away and gave great suggestions when needed. Highly recommend ClearSpring Pharmacy!”
Monday – Friday: 10 am to 6 pm
Saturday: 10 am to 2 pm
Sunday: Closed
Monday – Friday: 9 am to 6 pm
Saturday: 9 am to 1 pm
Sunday: Closed
Call/Text: (303) 795-4300
Fax: (303) 795-5849
Monday – Friday: 8 am to 5 pm
Saturday & Sunday: Closed
DISCLAIMER: A prescription from a licensed practitioner is required for compounded medications.
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Online shop only. Valid only through 5/27/25.
