Examine Database: Collagen Content
| Intervention | Grade | Effect | Detail |
|---|---|---|---|
| Vitamin A | C | ||
| Vitamin D | D | ||
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Research FeedRead all studies
Cherry blossom flower and chestnut rose fruit extracts may improve skin health
In this 8-week randomized controlled trial in 60 women (average age of 45) in China with mild signs of skin aging, cherry blossom flower and chestnut rose fruit extracts improved several skin health parameters.
The role of molecular weight and hydroxyproline in collagen supplements
Examine Database References
- Vitamin D - McAlindon T, LaValley M, Schneider E, Nuite M, Lee JY, Price LL, Lo G, Dawson-Hughes BEffect of vitamin D supplementation on progression of knee pain and cartilage volume loss in patients with symptomatic osteoarthritis: a randomized controlled trialJAMA.(2013 Jan 9)
- Vitamin A - Kafi R, Kwak HS, Schumacher WE, Cho S, Hanft VN, Hamilton TA, King AL, Neal JD, Varani J, Fisher GJ, Voorhees JJ, Kang SImprovement of naturally aged skin with vitamin A (retinol)Arch Dermatol.(2007 May)