BioStacks
Swanson

Pure Energy

2 Capsules · 30 servings

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What it does

A combination of 5 label ingredients.

Rhodiola rosea

Mixed formsGrade —

Studied for fatigue and stress, but reliable evidence of benefit remains insufficient.

Theanine

Form not confirmedGrade —

May improve sleep quality and responses to short-term stress in adults; evidence remains limited.

Stress & Mood
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Ingredients (5)

IngredientDoseTarget/referenceForm

Green Tea leaf (Camellia sinensis) extract

Amount not found

Green Coffee bean (Coffea arabica and Coffea canephora) extract

Amount not found

Other ingredients

Rice FlourFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.

HypromelloseCapsule

Plant-derived capsule material from cellulose

Lab testing

How to take it

On an empty stomach

On the label

As a dietary supplement, take two veggie capsules up to three times per day with water. Do not exceed recommended dosage.

Price check

$12.77

$0.43 / serving

$10$20$50

Cheaper than 90% of 40 rhodiola rosea supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

Not medical advice. Consult your healthcare professional.

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