Does Creatine Cause Hair Loss? What the Only Direct Trial Found
Does creatine cause hair loss? The myth comes from one 2009 DHT study. A 2025 trial measuring hair found no effect at 5 g…
RD
Roy DoueleFounder, inareview
Oct 5, 2026
Supplements reviews & guides
Ingredient-by-ingredient analysis you can trust.
Does Creatine Make You Gain Weight? Water, Muscle and Fat Explained
Does creatine make you gain weight? Usually 1-3 kg in the loading week, mostly water in muscle, not fat. Why it happens, whether it…
RD
Roy DoueleFounder, inareview
Oct 5, 2026
Best L-Theanine Supplement (2026): 5 Brands Compared on Form, Dose and Testing
Best L-theanine supplement: five brands compared on Suntheanine vs generic, dose, verified testing and cost per 200 mg. Sports Research leads; Thorne is NSF.
RD
Roy DoueleFounder, inareview
Oct 5, 2026
Best Ashwagandha Supplement (2026): 6 Brands Compared on Their Labels
Best ashwagandha supplement: six brands compared on extract, dose vs the trials, withanolides, testing and cost per day. Nutricost and Sports Research lead.
RD
Roy DoueleFounder, inareview
Oct 5, 2026
Ashwagandha and Thyroid: What the Trials and Case Reports Show
Ashwagandha and thyroid: it can raise T3 and T4 and lower TSH. Who it may help, why it is risky with levothyroxine or hyperthyroidism,…
RD
Roy DoueleFounder, inareview
Oct 5, 2026
Can You Take Magnesium and Ashwagandha Together? Safety, Timing and Dose
Can you take magnesium and ashwagandha together? No interaction is known, but no trial has tested the pair. Dose, timing, and who should not…
RD
Roy DoueleFounder, inareview
Oct 5, 2026
Best Supplements for Stress (2026): 7 Options Ranked by the Evidence
Best supplements for stress, ranked by trials: ashwagandha for ongoing stress, L-theanine for stressful moments, and what lavender, saffron and magnesium do.
RD
Roy DoueleFounder, inareview
Oct 5, 2026
L-Theanine for Anxiety: What the Trials Show, and the Dose They Used
L-theanine for anxiety: 200 mg eased stress responses in small trials, but it failed to beat placebo in diagnosed anxiety disorder. Dose, timing, who…
RD
Roy DoueleFounder, inareview
Oct 5, 2026
How Long Does Ashwagandha Take to Work? What the Trials Measured
How long does ashwagandha take to work? In trials, clear effects on stress, cortisol and sleep appeared at about 8 weeks, not 4. Dose,…
RD
Roy DoueleFounder, inareview
Oct 5, 2026
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