What is the reasoning for each ingredient in Optimal Prenatal capsule?

Vitamin A, Vitamin C, Vitamin D3, Vitamin E, Vitamin K2, Thiamin, Riboflavin, Niacin, Vitamin B6, Biotin, Choline, Vitamin B12, Pantothenic Acid, Calcium, Iodine, Magnesium, Zinc, Selenium, Copper, Manganese, Molybdenum, Potassium	Daily nutrients needed to support good health(1)*
Folate	Supports healthy fetal development and is needed for methylation processes.*
Vitamin B12	Supports healthy fetal development, red blood cells, and is needed for methylation processes.*
Vitamin A	Necessary for fetal eye, brain, and immune system development.*
Choline	Necessary for brain development and cell membrane health.*
Chromium	Supports normal metabolism of macronutrients in the body.*
Red raspberry	Supports uterine health.*
Betaine HCl	Supports natural digestive function.(2)*
Inositol	Supports normal insulin response and healthy neurotransmitters.(3)*
L-carnosine	Provides antioxidant support.(4)*
Ginger extract	Supports digestive health.(5)*
Coenzyme Q10	Supports cellular energy.(6)*
Milk thistle extract	Supports liver health.(7)*
Taurine	Supports magnesium absorption.*
Mixed tocopherols	Provides antioxidant support.*
Lutein	Provides antioxidant support and supports healthy fetal development.(8)*
Zeaxanthin	Supports healthy fetal development.(9)*

Other ingredients found in Optimal Prenatal Capsules include:

• Hydroxypropyl methylcellulose (HPMC) (capsule): Holds the supplement together in capsule form.
• Ascorbyl palmitate: Protects shelf-life of product.
• Medium-chain triglyceride oil: Natural preservative.
• Silica: Anti-clumping agent.
• L-Leucine:
• Citric Acid: Preserves and protects shelf-life of product.

(1) https://ods.od.nih.gov/Health_Information/Dietary_Reference_Intakes.aspx 

(2) https://naturalmedicines.therapeuticresearch.com/databases/food,-herbs-supplements/professional.aspx?productid=312 

(3) https://examine.com/supplements/inositol/ 

(4) https://www.sciencedirect.com/topics/neuroscience/carnosine 

(5) https://www.ncbi.nlm.nih.gov/pubmed/15802416 

(6) https://examine.com/supplements/coenzyme-q10/ 

(7) https://examine.com/supplements/milk-thistle/

(8) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5579631/

(9) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5579631/

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.