collagen + glutathione 6970mg Powder Enhanced with & Vitamin C | Supports Overall Wellness | Berry Flavor Glutathione Supplement Active Reduced Form,

there is no adverse-event dataset for the KLOW blend specifically

Guinney J, Dienstmann R, Wang X, de Reynis A, Schlicker A, Soneson C, Marisa L, Roepman P, Nyamundanda G, Angelino P, Bot BM, Morris JS, Simon IM, Gerster S, Fessler E, De Sousa E Melo F, Missiaglia E, Ramay H, Barras D, Homicsko K, Maru D, Manyam GC, Broom B, Boige V, Perez-Villamil B, Laderas T, Salazar R, Gray JW, Hanahan D, Tabernero J, Bernards R, Friend SH, Laurent-Puig P, Medema JP, Sadanandam A, Wessels L, Delorenzi M, Kopetz S , Vermeulen L, Tejpar S

See our summary of recommendations for a rundown

There is an excellent presentation from Cambridge University which outlines this: [First trimester embryonic nutrition

In higher dose supplements, that percentage drops to 1%-2%