U.S. safety records, as the agencies wrote them. Independent.
Supplements · brand

Signature Supplements

107 labels in NIH's Dietary Supplement Label Database under the brand name “Signature Supplements” as NIH writes it: 107 on the market and 0 off the market, each A to Z.

On FDA's ingredient directory

Ingredients FDA lists in its directory of actions and communications that these labels name: N-acetyl-L-cysteine (3 labels; Ingredient is excluded from the dietary supplement definition under section 201(ff)(3) of the FD&C Act), Biotin (1 label; Ingredient is the subject of a safety communication), Kava (1 label; Ingredient is the subject of a safety communication), Red yeast rice (1 label; Ingredient is excluded from the dietary supplement definition under section 201(ff)(3) of the FD&C Act), Vinpocetine (1 label; Ingredient is the subject of a safety communication). Matched by the ingredient's name alone.

On the market 107

"On the market" and "off the market" are NIH's market status for the label; a label NIH lists as off the market may still be in homes. A brand name NIH writes another way (other capitals or spelling) has its own page.

Source: Dietary Supplement Label Database (DSLD), Office of Dietary Supplements, National Institutes of Health (dsld.od.nih.gov), DSLD version 9.4.0 | January 2026, NIH's full download of Jan. 10, 2026. NIH: “The Dietary Supplement Label Database (DSLD) captures the image and all information declared on the labels of products sold as dietary supplements in the United States. The manufacturer or distributor is responsible for this label information; therefore, the labels might be incomplete and/or inaccurate and the products might contain ingredients of concern to the U.S. Food and Drug Administration (FDA).” PlainRecords is not affiliated with NIH or the Office of Dietary Supplements, which do not endorse this site or any product. Records are shown as NIH lists them; label images are not copied (they are on NIH's pages).

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