l carnitina + cla Carnitine High Strength Liquid L-Carnitine 5000mg

doi: 10.1016/j.phrs.2021.105484

It's very nuanced

[PMC2885499] Skin Health : Ergothioneine is also beneficial for skin health, protecting against damage from UV radiation and other environmental stressors, reducing signs of aging, and improving overall skin condition

If you plan on taking high doses for an extended period, it is wise to monitor your mineral levels, particularly zinc, with a healthcare provider

Once produced or ingested, vitamin D undergoes hydroxylation in the liver to form 25-hydroxyvitamin D [25(OH)D], the main circulating form used to assess vitamin D status, and then in the kidneys to produce the active hormone 1,25-dihydroxyvitamin D