My evenings have completely changed
I used to be useless after 7pm. Now I have energy into the evenings and actually enjoy time with my family rather than just surviving until bedtime. Stack has genuinely changed my quality of life.

EGCG ANTIOXIDANT & METABOLIC BOOSTER
30-day supply
Key Benefits
Boosts metabolism and delivers powerful antioxidant protection
Supports healthy metabolism and thermogenesis
Promotes cardiovascular health
Supports cognitive function and alertness
Wellness Goals
Recommended Dose
300mg
Take one 300mg capsule daily, preferably in the morning or early afternoon with food. Taking with a meal reduces the chance of stomach sensitivity. Contains natural caffeine — avoid taking in the evening if you're caffeine-sensitive.
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Doctor Formulated
cGMP Certified
The Details
Green tea has been studied more extensively than almost any other natural compound, and the results are remarkably consistent. The star player is EGCG, a catechin antioxidant that appears to benefit nearly every system in the body.
For metabolism, EGCG supports thermogenesis — the process of generating heat by burning calories. It does this by inhibiting the enzyme that breaks down norepinephrine, allowing this fat-burning hormone to remain active longer. Combined with the natural caffeine in green tea, this creates a modest but measurable increase in metabolic rate and fat oxidation.
The cardiovascular benefits are equally well-documented. Meta-analyses of large population studies consistently show that green tea consumption is associated with lower LDL cholesterol, better blood vessel function, and reduced cardiovascular risk. EGCG also crosses the blood-brain barrier, where it supports cognitive function and may protect brain cells from age-related oxidative damage. At 300mg of extract, you're getting the equivalent antioxidant power of several cups of green tea in a single capsule.
Research
Key studies supporting Green Tea Extract, from peer-reviewed journals.
Effects of dietary supplementation with the green tea polyphenol EGCG on insulin resistance and associated metabolic risk factors: randomized controlled trial — 2009
Study titles are simplified for readability. Provided for informational purposes — not medical advice.
Transparency
Every batch is independently tested by ISO-17025 accredited labs for purity, potency, and contaminants.
Designed by healthcare professionals using evidence-based research and clinical expertise.
Manufactured in cGMP & UL certified, FDA-registered facilities with a flawless inspection record.
Important Information
Not suitable for
Contains natural caffeine. Take with food to minimize stomach sensitivity. Those with liver conditions should consult their healthcare provider.
As with any natural health product, consult your healthcare practitioner. Store in a cool, dry place. Keep out of reach of children. Discontinue use immediately if you experience an adverse event.
I used to be useless after 7pm. Now I have energy into the evenings and actually enjoy time with my family rather than just surviving until bedtime. Stack has genuinely changed my quality of life.
used to take like 5 different supplements every morning and always forgot at least two of them. now i take one stack pack and that's it. so much simpler. and the results are actually better. wild.
I calculated what I was spending on separate supplements, gym supplements, and energy drinks before Stack.
The packaging is some of the nicest I've seen in wellness. But beyond aesthetics, the product delivers. My energy throughout the day is more stable and I'm recovering faster from workouts. I was genuinely skeptical.
I suffer from low-grade chronic inflammation and it affects everything - energy, mood, joint comfort. Stack's personalized formula has noticeably reduced these symptoms over three months. The targeted approach is clearly more effective than generic options.
About six weeks in my husband said I seemed more like myself - more energy in the evenings, less irritable, sleeping better. I hadn't even consciously registered how much had changed until he said it.
Personalized for you
Take our 2-minute Health Assessment and let our AI build your personalized stack — every supplement chosen for your specific goals.
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