Top 5 Supplements You Actually Need

You don't need a drawer full of pills to feel your best.

In a refreshingly no-BS interview, health scientist Rhonda Patrick, PhD, shared the only five supplements she considers essential for most people — all backed by science, blood tests, and real-world results. Whether you're doing VO2 max workouts, hiking steep fjords, or optimizing longevity, these five offer maximum gain with minimal fluff.

1. Vitamin D — The Sunshine Molecule

Why: Most people are deficient, especially in Nordic climates. Crucial for immune support, mood, bones, and longevity.

How much: 4,000 IU/day (safe upper limit)

Tip: Always test your blood level if possible. Some may need more to hit the ideal range (50–70 ng/mL).

2. Omega-3 (EPA + DHA) — Inflammation & Brain Fuel

Why: Supports brain, heart, and lowers inflammation. Most people don't get enough.

How much: 1.5–2g/day of actual EPA + DHA, not just "fish oil"

Tip: Read labels carefully. One capsule may only contain 300mg EPA/DHA — you'll need 4–6 to hit the target.

3. Multivitamin — Micronutrient Insurance

Why: Covers bases like selenium, boron, vitamin A, B-complex, etc. that most diets miss.

What to avoid: Cheap versions with dyes, titanium dioxide, or magnesium oxide

Tip: Go for bioavailable forms and clean formulations.

4. Magnesium — For Stress, Sleep & Muscle

Why: 60%+ are deficient; essential for >300 enzymes, sleep, mood, and exercise recovery

How much: 250–300 mg/day (more if under stress or very active)

Best forms:

• Citrate (great if constipated)
• Glycinate (calming)
• Malate (energy)
• Threonate (crosses blood-brain barrier — for cognition)

5. Sulforaphane (Broccoli Sprout Extract) — Cellular Defense

Why: A powerful activator of the NRF2 pathway (body's detox + antioxidant system)

Benefits: Shown to improve brain function, reduce inflammation, and boost glutathione

Form: Look for high-quality supplements backed by research — the one Rhonda uses has published clinical studies.

"For Norwegian 4x4 athletes, founders, and explorers alike — these 5 supplements are a smart foundation for longevity, performance, and recovery."

Final Words: Keep It Simple, Keep It Smart

Rhonda Patrick's stack isn't about hype. It's about core, effective, and science-backed essentials.

Disclaimer: Always consult your doctor before starting new supplements, especially if you have health conditions or take medication.

Supplements after training basics

Creatine, vitamin D, and protein powder may help specific deficits, but no pill replaces progressive intervals and sleep. If supplement spend crowds gym time, reallocate budget toward coaching, footwear, or app-guided 4x4 you will actually perform. Blood work with a clinician beats influencer stacks for deciding what you truly lack.

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Published March 23, 2026 · Last updated November 2, 2026