Questions to Ask Before Buying Supplements
How do you know which supplements are worth buying? Learn the key questions to ask, how to evaluate evidence, and which ones have research support.
By Amnon V. ·
TL;DR
Supplements Matter Less Than Most People Think
The supplement industry runs on a quiet bait-and-switch: it sells you the last 5% before you’ve built the first 95%. The pills and powders aren’t useless (some genuinely work) but they only matter once the unglamorous stuff underneath them is locked in. Most people buy in the wrong order.
Run everything through the 95/5 rule. Training, food, and sleep are the 95%: they decide almost all of your results. Supplements are the 5%, and 5% of nothing is nothing. The 5% only becomes worth chasing once the 95% is consistent. Until then, a better-spent grocery budget beats any tub.
Supplements cannot replace training quality and consistency, adequate calorie intake, sufficient protein, or recovery and sleep. They support the basics; they do not replace them.
Creatine Is the Most Proven Supplement
Benefits of creatine monohydrate:
- Improved strength output
- Better power performance
- Improved training performance across multiple sets
Typical dose: 3–5g daily. No loading phase required. It is one of the most extensively researched supplements in sports science.
Most Supplements Are Overhyped
- Low-evidence products to be cautious of:
- Fat burners
- Testosterone boosters
- Detox supplements
- Most proprietary blends
Marketing often significantly exceeds real-world evidence for these categories.
Supplements Should Support Existing Habits
Buying supplements before nailing the basics is like fitting racing tyres to a car with no engine. The tyres are real, even good, but they can’t move a car that isn’t running yet. Build the engine first.
Supplements make sense when training is already consistent, meeting protein targets through food alone is difficult, and recovery is being actively managed. The fundamentals: training, nutrition, sleep. Always matter more than any supplement.
Frequently asked questions
Is creatine safe?
Yes. Creatine monohydrate is one of the safest and most researched supplements available. It is safe for long-term use in healthy adults.
Do I need pre-workout supplements?
No. Pre-workout primarily affects temporary energy and focus. It is not required for results and has no muscle-building effect.
Which supplements are actually worth taking?
For most people the short list is creatine monohydrate and, only if you struggle to hit your protein target from food, a protein powder. Everything else makes a marginal difference at best, and no supplement makes up for inconsistent training, nutrition, or sleep.
Sources & further reading
- Kreider et al. (2017), J Int Soc Sports Nutr — creatine
- Jäger et al. (2017), J Int Soc Sports Nutr — protein
- Morton et al. (2018), Br J Sports Med — protein meta-analysis
All Gymverse articles are reviewed against current research. See our full References & Research page.
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