Ingredients
| Product name: | Thorne Buffered C-Powder |
| Content: | 227 grams of powder |
| For whom: | Athletes, Adults |
Supplement Facts per scoop (5 grams) (Serving Size)
| Amount | RI † | |
| Vitamin C (Ascorbic Acid) | 2350 mg | 2938% |
| Calcium (calcium ascorbate) | 350 mg | 44% |
| Magnesium (magnesium ascorbate) | 350 mg | 93% |
| Potassium (Potassium ascorbate) | 99 mg | 5% |
Ingredients .
Explanation of the composition †RI stands for Reference Intake and replaces the RDA (Recommended Daily Allowance). RI is a guideline for the intake of vitamins and minerals in particular. RI and ADH are equal in number.
Usage advice
Suggested use
Mix one measuring spoon per day with a large glass of water.
Stick to the recommended daily dosage, unless advised otherwise.
A varied, balanced diet and a healthy lifestyle are important. Nutritional supplements are not a substitute for a varied diet.
If you have health issues or are taking medication, always consult your doctor before taking certain supplements. More usage advice.
Storage advice Store in a cool, dry and dark place. Not in the refrigerator.
Keep out of reach of children.
Best by date 227 gram: April 2027
Allergy information / Warnings
| Warning |
| Magnesium may have a laxative effect at doses above 250 mg. |
| This supplement is: |
Buffered Vitamin C
Thorne Research's Buffered C Powder contains vitamin C as calcium, magnesium and potassium ascorbate. The connection to these 3 minerals makes that the vitamin C is "buffered" and therefore significantly less acidic than L-ascorbic acid. This makes Buffered C-powder suitable for use by people with a sensitive GI-tract.
NSF-Certified for Sport®
This product has NSF certification. Which means it can be used safely by professional athletes and will not cause any problems during a doping test.
Because athletes need to know their supplements are trustworthy and compliant, every batch of an NSF Certified for Sport® product is tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations.
Thorne Shaker bottle
To properly mix the powder with water, almond milk or any other beverage of your choice, it is best to use a Shaker.
We have a nice and sturdy Shaker bottle from Thorne in our assortment. Very
convenient on the go as well!
The sturdy cup has a capacity of 600 ml and is made of BPA-free plastic. The screw-on lid has a lockable drinking and pouring spout and the product also contains a (loose) metal blender ball.
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Other information
Dietary supplement Combination supplement
Produced by Thorne Research Inc.
Summerville USA
For Smeets & Graas
G. Meirstraat 11
9728 TB Groningen
050 850 36 88
Last page change
28 november 2025