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Supplements That Actually Work (And the Ones That Don't)
Supplements · 9 min read · April 2026Supplements That Actually Work (And the Ones That Don't)

Supplements That Actually Work (And the Ones That Don't)

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VBE Performance
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VBE Performance publishes independent, evidence-based fitness and nutrition content. Every article is built on peer-reviewed research, written in plain English, and reviewed against our editorial standard.

📅 Published: April 2026 🔄 Updated: April 2026 ⏱ 9 min read 📂 Supplements

The supplement industry is worth over $150 billion, and most of it runs on confusion. For a healthy adult who trains, the list of supplements with solid evidence behind them is short and cheap. This article ranks what's worth buying, what's situational, and what to skip.

The essentials

Creatine monohydrate (3–5 g/day). The most studied performance supplement in history. Increases strength, lean mass, and high-intensity output. Cheap, safe, effective. Take with any meal — timing does not matter. Loading is unnecessary. Brand is irrelevant as long as it's monohydrate.

Vitamin D3 (1,000–4,000 IU/day). Most people indoors most of the day are insufficient. Bone density, immune function, mood, recovery. Get a blood test if you can; aim for 75–125 nmol/L.

Whey or plant protein. Convenience, not magic. Use it when food is impractical: post-workout, breakfast, snacks. 20–40 g per serving.

Worth taking

Caffeine (3–6 mg/kg pre-training). Reliable strength and endurance benefit. Cycle off one or two days a week to keep sensitivity. Stop after 1–2 pm if sleep is fragile.

Omega-3 EPA/DHA (1–3 g combined daily). Recovery, joint comfort, cardiovascular support. Especially useful if fish intake is below twice weekly.

Electrolytes. Useful in heat, on low-carb diets, and during long sessions. Sodium is usually the one most people are short on, not 'mineral magic'.

The optional 'might help'

Beta-alanine (3.2–6.4 g/day, split). Modest endurance benefit in 60–240 second efforts. Causes harmless tingling. Skip if it bothers you.

Citrulline malate (6–8 g pre-training). Non-stimulant pump and endurance support. Worth trying once.

Multivitamin. Insurance, not therapy. Useful for restricted or rotating diets, redundant for varied ones.

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The aisles you should skip

BCAAs. Already in every gram of protein you eat. Buying them as a powder is paying for letters you already own.

Fat burners. Caffeine + a stimulant blend at premium prices. The fat loss is calorie deficit. Always was.

Detox / cleanse products. Your liver and kidneys are the cleanse. Save the money for vegetables.

Test boosters (over-the-counter). Almost no meaningful effect outside genuine deficiency — and that requires a doctor.

Glutamine for muscle growth. Useful in some clinical settings; nothing for healthy lifters eating enough protein.

The rules that protect your wallet

If a supplement promises a 'natural' alternative to anabolics, it is lying. If it has a 'proprietary blend' that doesn't list dose per ingredient, it is hiding the answer. If it changes its label every 18 months with new packaging and old science, it is marketing. The supplements that matter have not changed in 30 years — and won't.

Key takeaways

  • Essentials: creatine, vitamin D3, protein powder.
  • Useful: caffeine, omega-3, electrolytes.
  • Optional: beta-alanine, citrulline, multivitamin.
  • Skip: BCAAs, fat burners, detoxes, test boosters.
  • If a label sounds like a miracle, it isn't one.
📚 Sources & Further Reading VBE uses peer-reviewed research as its primary evidence base.
Layne Norton, PhD — Nutritional Sciences
Protein metabolism, energy balance, and dietary flexibility.
International Society of Sports Nutrition (JISSN)
The most authoritative applied-research body in sports nutrition.
Cochrane Systematic Reviews
The gold standard for clinical claims.

Content is reviewed and updated as new research emerges.

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