Printed on this bottle's own panel image as "Vitamin C (as Quali®-C Ascorbic acid) 1000 mg 1111%" in a "Serving Size: 2 Capsules" serving with "Servings per Container: 30", and the front prints "60 Capsules" and "1000 mg/serving". We compare milligrams of vitamin C, and the label prints milligrams, so nothing is converted. Vitamin C is the only line in the panel. The liposome is listed among the other ingredients, with no amount, as "Liposomal Complex (Ascorbyl palmitate, Sunflower lecithin, and Phosphatidylcholine)", so there is no second active to mark, and the 1000 mg is the panel's own Vitamin C line. The front and the panel both say liposomal. The label prints "CONTAINS SOY"; it makes no vegan, vegetarian or gluten claim, so those stay Unknown.
Delivery
Delivery cost
Applies, amount not published
Delivery is NOT free on this order. It is $55.01 short of free delivery (orders of $75.00 or more). This retailer does not publish one fixed delivery rate, so we cannot tell you exactly what delivery will add. Free shipping on orders of $75 or more, from the announcement bar on coremedscience.com, first read August 31, 2026 and read again on September 28, October 17 and November 1, 2026 with the same figure. The shipping policy page itself states no domestic threshold. No rate is published below $75, so delivered cost below it is Unknown and those listings are left out of cheapest-delivered claims.
Cost per dose delivered
at least $0.666
We will not put a number on this. The product price is the least you could pay, not what you will pay. To know the delivered cost in advance, reach the free-delivery threshold or choose a retailer that publishes its rate.
Set the quantity at the retailer. This calculator does not add items to a cart. Uses the recorded unit price with no coupon or quantity discount. Tax is extra. Delivery terms apply to the contiguous US unless the policy says otherwise.
Free shipping on orders of $75 or more, from the announcement bar on coremedscience.com, first read August 31, 2026 and read again on September 28, October 17 and November 1, 2026 with the same figure. The shipping policy page itself states no domestic threshold. No rate is published below $75, so delivered cost below it is Unknown and those listings are left out of cheapest-delivered claims.
Where to buy
Core Med Science (direct) · lowest recorded available price
Ordered by price, lowest first, and labeled so you can see what each link earns us. Commission is never an input to that ordering. If the retailer with the lowest current price pays us nothing, that is still the one we send you to. No link on this page earns us anything. Every Buy button is a plain retailer link.
Price history
Latest recorded price: $19.99 at Core Med Science (direct), checked . Unchanged since we started checking on Oct 17 (29 checks).
We check each price about once a day, so this is the range we recorded, not necessarily every price there has been. It says what changed, not why, and nothing about where the price goes next.
Verification level D: Could not locate independent data
We could not locate independent testing or certification for this product. That is a statement about our search, not about the product. These programs certify what a company submits to them, so a product can be absent simply because it was never entered, which is not a finding against it. The databases we searched, and when, are listed below. If a program is not listed, we did not check it, and we make no claim about it either way.
Searched 4 certifier databases and found no listing for this product, and located no published test results. A program not named below was not checked for this product.
Checked NSF Certified for Sport database on Oct 17, 2026: not listed.
Checked USP Verified database on Sep 21, 2026: not listed.
NSF Certified for Sport: checked, not listed
Checked, and no listing names this package. The Certified for Sport directory holds two vitamin C rows under this brand, both "Vitamin C (500mg)": 1802300, filed under "Core Med Science", and 1691898, filed under "Core Med Science / OIAM Performance". Both listing pages, opened on Oct 17, 2026, print Package Size "30" and Serving Size "1 capsule", and the Supplement Facts image each one files prints "Serving Size: 1 Capsule", "Servings Per Container: 30" and "Vitamin C (as Ascorbic Acid) 500mg"; the image filed with 1691898 adds "Other Ingredients: Vegetable Cellulose (from capsule), MCC, Stearic acid, Magnesium Sterate" and its photograph is a white OIAM carton. That is a plain ascorbic acid capsule, 30 to a package. This bottle is liposomal vitamin C, 60 capsules in a 2-capsule serving of 1000 mg with a liposomal complex among its other ingredients, so neither listing names it. The brand's own store sells no 30-capsule vitamin C. Absence from a database is not a failed test.
Checked and absent. We read all 16 pages of USP's own Verified Products directory in a browser on Sep 21, 2026: 159 products from 16 brands. We saved a copy. This brand is not in it: not in the directory's brand filter, and not in any product name. USP verifies the products a company submits to it, so this shows only which products were submitted. Not being listed is not a failed test.
Core Med Science is not on the October 2026 Informed Sport product list, which we read on Oct 3, 2026. The list, published by LGC, has 497 brands and 1,887 product lines. Not being listed is not a failed test. Informed Sport certifies what a company submits, so this means only that no product from this brand was on the published list that day.
Core Med Science is not on the October 2026 Informed Choice product list, which we read on Oct 3, 2026. The list, published by LGC, has 201 brands and 853 product lines. Not being listed is not a failed test. Informed Choice certifies what a company submits, so this means only that no product from this brand was on the published list that day.
No laboratory report with figures is recorded here for this product.
Not established: Heavy-metal testing, Label-accuracy testing, Vegan status.
Absence of data is not evidence that a product is clean. It means we found no published result for that testing.
Label
Form
capsule
Serving size
2 capsules
Active ingredient
Vitamin C: 1,000mg as labeled
Printed on this bottle's own panel image as "Vitamin C (as Quali®-C Ascorbic acid) 1000 mg 1111%" in a "Serving Size: 2 Capsules" serving with "Servings per Container: 30", and the front prints "60 Capsules" and "1000 mg/serving". We compare milligrams of vitamin C, and the label prints milligrams, so nothing is converted. Vitamin C is the only line in the panel. The liposome is listed among the other ingredients, with no amount, as "Liposomal Complex (Ascorbyl palmitate, Sunflower lecithin, and Phosphatidylcholine)", so there is no second active to mark, and the 1000 mg is the panel's own Vitamin C line. The front and the panel both say liposomal. The label prints "CONTAINS SOY"; it makes no vegan, vegetarian or gluten claim, so those stay Unknown.
Packages in the same category and format, with the same ingredients. Where we recorded the ingredient forms from the label, only packages with the same forms are shown. Where a category is compared by strength, they also have the same labeled strength. Only current prices are shown, cheapest container first. Prices are before delivery. Formulas, flavors and allergens may differ: check each label. These are browsing options, not recommended substitutes.
What this rests on: Prices are the last ones we recorded at the retailer named on each product page. Prices go stale, so each page says when it was checked. We track some products, not every one sold, and Amazon and Walmart are not among our stores. Listings and labels are read at the source, and each page links to them. Found an error? Tell us. The full method: How we compare.