When choosing a psyllium husk supplement, be aware of potential lead content; an analysis found Organic India Psyllium whole husk fiber had the lowest amount.

For sleep, a low dose of 300 micrograms of melatonin taken two hours before bed is recommended, as megadoses lack long-term safety data.

Omega-3 supplements only improve brain performance in people with low homocysteine levels, suggesting a critical synergy with TMG and B vitamins.

The supplement TMG only shows muscle performance improvements when it is combined with exercise; otherwise, there is no effect.

Despite common myths, solid evidence shows that soy protein does not negatively affect testosterone or estrogen levels in men.

A protein intake of 1.6 grams per kilogram of lean body weight per day maximizes the muscle-building response from resistance exercise.

Creatine supplementation improves memory performance, with the effect being particularly strong in older adults.