Supplement Science Blog | Everbright Labs

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Spermidine research: Where it comes from and what studies show

Spermidine research: Where it comes from and what studies show

Your body’s spermidine supply doesn’t come from food alone: the body makes spermidine from putrescine, and gut bacteria can produce it too. Foods such as wheat germ, soya, aged cheese and mushrooms also provide it. Sperm…

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Spermidine in Foods and Supplements: Sources, Benefits, and Safety

Spermidine in Foods and Supplements: Sources, Benefits, and Safety

Spermidine is a naturally occurring polyamine found in food and produced by the body. Wheat germ is a particularly rich food source, containing 24 to 35 mg per 100 g, while soya beans contain 20.7 mg per 100 g. Understan…

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Wheat germ extract spermidine: sources, effects and safety

Wheat germ extract spermidine: sources, effects and safety

In preclinical research, spermidine supplementation extended lifespan by approximately 10% in mice; this is a finding in animals, not a human outcome. Spermidine is a naturally occurring polyamine, and wheat germ extract…

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Spermidine supplement clinical studies on safety and evidence

Spermidine supplement clinical studies on safety and evidence

The early clinical safety findings are reassuring, though limited in duration. In a placebo-controlled trial, 37 healthy men aged 50-70 received 40 mg/day of high-purity spermidine trihydrochloride for up to 28 days, wit…

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Spermidine and Ageing: Levels, Food Sources and Health Links

Spermidine and Ageing: Levels, Food Sources and Health Links

A molecule involved in cellular maintenance may offer useful clues about how we age. Spermidine is a naturally occurring polyamine that helps maintain healthy cells, and the connection between spermidine and healthy agei…

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NAD+ for Anti-Ageing: Potential Benefits and What Evidence Shows

NAD+ for Anti-Ageing: Potential Benefits and What Evidence Shows

A higher NAD+ level is not the same as proven slower ageing. The benefits of NAD+ for anti-ageing remain uncertain: NAD+ levels tend to decline with age, and supplements may support the body’s production of it, but resea…

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Lifestyle changes that support metabolic rate and weight loss

Lifestyle changes that support metabolic rate and weight loss

Your metabolism isn’t a fixed speed you can simply switch on. It describes how your body uses energy for basic functions, processing food and physical activity, and energy use changes over time. Lifestyle changes to impr…

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Science-Backed Longevity Stack: How to Build a Focused, Evidence-Led Routine

Science-Backed Longevity Stack: How to Build a Focused, Evidence-Led Routine

A longer supplement list can look more scientific, but quantity doesn’t show whether a routine is supported by good evidence. If conflicting recommendations have left you unsure which ingredients matter, or whether study…

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Cellular Energy Decline Over 30: What Changes and What Helps?

Cellular Energy Decline Over 30: What Changes and What Helps?

Thirty isn’t a biological cliff, and feeling more tired in your thirties doesn’t prove your cells are running out of energy. Research suggests that mitochondrial function can vary with age and activity levels. A June 202…

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