References — The Original Supplement of our Ancestors

1. **Elk Liver**

Vitamin A and B12:

•  [National Institutes of Health (NIH) - Vitamin A] (https://ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/)
• [National Institutes of Health (NIH) - Vitamin B12] (https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/)

Iron:

• [National Institutes of Health (NIH) - Iron] (https://ods.od.nih.gov/factsheets/IronHealthProfessional/)

2. **Elk Kidney**

Selenium:

• [National Institutes of Health (NIH) - Selenium] (https://ods.od.nih.gov/factsheets/Selenium-HealthProfessional/)

Iron and B Vitamins:

• [National Institutes of Health (NIH) - B Vitamins] (https://ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/)
• [National Institutes of Health (NIH) - Iron] (https://ods.od.nih.gov/factsheets/IronHealthProfessional/)

3. **Elk Heart**

Coenzyme Q10 (CoQ10):

• [Mayo Clinic - Coenzyme Q10] (https://www.mayoclinic.org/drugs-supplementscoenzyme-q10/art-20362602)

Essential Fatty Acids and Amino Acids:

• [National Institutes of Health (NIH) - Omega-3 Fatty Acids] (https://ods.od.nih.gov/factsheets/Omega3FattyAcids-HealthProfessional/)
• [National Institutes of Health (NIH) - Amino Acids] (https://ods.od.nih.gov/factsheets/Protein-HealthProfessional/)

B Vitamins:

• [National Institutes of Health (NIH) - Vitamin B12] (https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/)

These sources provide detailed information on the vitamins, minerals, and other beneficial compounds found in animal organs and their effects on human health.