Primary Specialization:** Clinical Pharmacist & Lead Scientific Reviewer
Dr John Carter PharmD: Men’s Health & Supplement Safety Expert
Lead Scientific Reviewer specializing in clinical pharmacy and drug-supplement interactions
Dr John Carter serves as our Lead Scientific Reviewer, bringing critical expertise in clinical pharmacy and men’s health supplementation. With 16+ years of experience and specialized training from UCSF, he ensures our content meets the highest standards of pharmaceutical safety and efficacy.

Dr. John Carter, PharmD
Lead Scientific Reviewer | Clinical Pharmacist
Dr John Carter combines pharmaceutical science with practical supplement safety expertise. His background in clinical pharmacy and men’s health makes him invaluable for evaluating supplement-drug interactions and ensuring user safety in our reviews.
Professional Credentials & Achievements
- PharmD: University of California San Francisco
- MS: Clinical Pharmacy from USC
- Board Certified: Pharmacist (BPS)
- Specialty Certification: Certified Nutrition Specialist (CNS)
- Clinical Leadership: Former Chief Pharmacist at UCLA Medical Center (2012-2018)
- Research Publications: 38+ studies in clinical pharmacy journals
- Professional Member: American Society of Health-System Pharmacists (ASHP)
Why Dr John Carter Leads Our Scientific Review Process
1. Elite Pharmaceutical Education
Dr John Carter earned his PharmD from UC San Francisco, one of the top 3 pharmacy schools globally. His Master’s in Clinical Pharmacy from USC provides specialized knowledge in how supplements interact with prescription medications – crucial for user safety.
2. Extensive Clinical Experience
With 16+ years in clinical pharmacy, including leadership roles at UCLA Medical Center, he has real-world experience managing complex drug regimens and supplement interactions. This directly informs our recommendations for testosterone-supporting supplements.
3. Research Excellence in Men’s Health
His 38+ published studies in Clinical Pharmacy and Therapeutics and Journal of Men’s Health demonstrate deep expertise in male-specific health issues and supplement safety protocols that guide our review methodology.
4. Drug-Supplement Interaction Expertise
Dr John Carter specializes in identifying potentially dangerous interactions between prescription medications and supplements, ensuring our readers receive safe, evidence-based guidance for products like cortisol and testosterone support formulas.
5. Men’s Health Supplement Specialization
His focus on TestRX, male enhancement formulas, and testosterone support supplements makes him uniquely qualified to evaluate products targeting men’s hormonal health and performance enhancement safely and effectively.
Dr Carter’s Primary Areas of Pharmaceutical Expertise
Men’s Health Pharmacy
Specialized knowledge in male hormonal health, testosterone support, and age-related health changes affecting men’s supplement needs and safety considerations.
Supplement Safety Protocols
Expert evaluation of supplement purity, manufacturing standards, dosage safety, and quality control measures to ensure consumer protection and efficacy.
Drug-Supplement Interactions
Critical assessment of how supplements may interact with prescription medications, particularly important for men taking blood pressure, diabetes, or heart medications.
Clinical Pharmacy Research
Evidence-based evaluation of clinical studies, pharmacokinetics, and bioavailability data to determine supplement effectiveness and optimal dosing protocols.
Dr Carter’s Scientific Review Methodology
Dr John Carter applies rigorous pharmaceutical standards when evaluating men’s health supplements and content:
- Pharmacological Analysis: Detailed review of active ingredients, bioavailability, and absorption mechanisms
- Drug Interaction Assessment: Comprehensive evaluation of potential conflicts with common medications
- Safety Profile Evaluation: Analysis of contraindications, side effects, and long-term usage considerations
- Manufacturing Quality Review: Assessment of GMP compliance, third-party testing, and ingredient sourcing
- Clinical Evidence Verification: Validation of research claims through peer-reviewed study analysis
- Dosage Optimization: Determination of effective and safe dosage ranges based on clinical data
Dr Carter’s Approach to Supplement Safety
When evaluating supplements for men’s health, Dr John Carter prioritizes safety through systematic analysis:
- Drug Interaction Screening: Assessment of interactions with common medications like statins, blood pressure drugs, and diabetes medications
- Contraindication Analysis: Identification of health conditions that may preclude supplement use
- Quality Assurance Review: Evaluation of manufacturing standards, purity testing, and regulatory compliance
- Evidence-Based Efficacy: Verification of claimed benefits through peer-reviewed clinical research
- Dosage Safety Assessment: Determination of safe upper limits and optimal therapeutic ranges
Trusted Pharmaceutical Resources
Dr John Carter references only the highest quality pharmaceutical and medical sources in his reviews:
- American Society of Health-System Pharmacists
- Drugs.com – Drug Interactions Checker
- PubMed Central – Clinical Pharmacy Research
- American Urological Association
Learn More About Our Medical Team
Dr John Carter is part of our comprehensive 6-expert medical review board with 88+ combined years of experience. His pharmaceutical expertise complements our team’s medical and nutritional knowledge to provide comprehensive supplement guidance.
To learn about our complete team of specialists and their qualifications, visit our About Us page. For questions about our review methodology or pharmaceutical safety standards, please visit our Editorial Process page or contact our team directly.


