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DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring neuropeptide, first identified in mammalian brain tissue in the 1970s
in 2023 conducted a double-blind, randomized, placebo-controlled trial that examined the oral administration of collagen dipeptides (1650 mg per day for 12 weeks) in 100 women in Korea (3060 years of age) and compared the placebo group ( n = 46) with the treatment group ( n = 54) in terms of skin hydration, elasticity, desquamation, and wrinkling [42]
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Some people claim that in the course of a high dosage vitamin B12 therapy they experience either an increased outbreak of spots, or the emergence/worsening of acne (1-3)
Hashimoto M, Hossain S, Al Mamun A, Matsuzaki K, Arai H (2017) Docosahexaenoic acid: one molecule diverse functions
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