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Claim Text: L-tyrosine is an amino acid small enough to penetrate the skin, but its specific formulation matters.
Simplified Text: L-tyrosine is an amino acid small enough to penetrate the skin, but its specific formulation is important for effectiveness.
Confidence Score: 0.900
Claim Maker: The author
Context Type: News Article
Context Details: { "date": "2026-09-21" }
Subject Tags: L-tyrosine Amino Acids Skin Penetration Formulation
UUID: d6a501dd-61ea-4ffb-92f7-069ba09cd7b4
Vector Index: ✗ No vector
Created: September 30, 2026 at 8:07 AM (2 weeks ago)
Last Updated: September 30, 2026 at 8:07 AM (2 weeks ago)

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Screenshot of https://nytimes.com/2026/09/21/well/health-wellness-patches-supplements.html

Do Supplement Patches Actually Work?

Completed Analysis

11 claims 🔥

2 weeks ago

https://nytimes.com/2026/09/21/well/health-wellness-patches-supplements.html

Wellness patches are marketed to deliver vitamins and herbal extracts through the skin, similar to nicotine patches. However, experts question their effectiveness and whether ingredients can be absorbed transdermally.

Wellness Patches Dietary Supplements Transdermal Drug Delivery Health Claims FDA Regulation Consumer Health

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Even if L-tyrosine is absorbed, a few chemical reactions must occur before it can be converted into dopamine, Dr. Koturbash said. 0.950

Simplified: Dr. Koturbash stated in September 2026 that even if L-tyrosine is absorbed, it requires several chemical reactions to convert into dopamine.

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A recent study found that microneedles that pierce the skin and then dissolve could help vitamin B12 pass the skin’s outer layer. 0.900

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Dr. Igor Koturbash, a professor and co-director of the Center for Dietary Supplements Research at the University of Arkansas for Medical Sciences in Little Rock, stated that transdermal drug delivery... 0.950

Simplified: Dr. Igor Koturbash, a professor at the University of Arkansas for Medical Sciences, stated in September 2026 that transdermal drug delivery is a real...

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When a patch is placed on the body, its active ingredients permeate the outermost layer of skin, which has a “brick-and-mortar type of structure” composed of skin cells and fats, Dr. Brogden said. 0.950

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