1. Pregnant Women (Unless Used for Medical Reasons) – HCG is naturally produced during pregnancy but should not be self-administered without medical supervision.
2. Men with Prostate or Breast Cancer – HCG stimulates testosterone, which can worsen hormone-sensitive cancers.
3. Individuals with Uncontrolled Hormonal Disorders – Those with PCOS, thyroid imbalances, or adrenal dysfunction should use HCG cautiously.
4. People Prone to Blood Clots or Cardiovascular Issues – Increased estrogen levels can raise clotting risks and affect heart health.
5. Those with Allergies to HCG or Its Components – Rare but possible hypersensitivity reactions can occur.