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EnergyPlus

Pure Essence
4.4
★ ★ ★ ★ ★
(449 ratings)
Blue-Green Algae 1000 mg
Eleuthero 100 mg
Astragalus 50 mg
Cordyceps 150 mg
Reishi mushroom 50 mg
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Score62
A useful spirulina dose supports a broad energy blend. Numerous small, unstandardized extracts make the formula's practical effects hard to predict.
How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:
Anti-Inflammatory Support

Score 62

A useful spirulina dose supports a broad energy blend. Numerous small, unstandardized extracts make the formula's practical effects hard to predict.
How scoring works
$25.61($0.85 per serving)
iHerb
$ 25.61
Amazon
$ 33.62
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Analysis

Organic spirulina at 1,000 mg is the most meaningful ingredient and provides a useful algae serving. Cordyceps, goji, and codonopsis follow at 150 mg each, with numerous smaller traditional extracts.

Eleuthero reaches only the minimum useful extract range, while astragalus and reishi are each 50 mg. Species, plant parts, extraction ratios, and active-marker levels are largely absent across the blend.

The formula offers broad ingredient variety and discloses individual amounts. Two tablets per serving and moderate cost are reasonable, but purity testing for spirulina and standardized potency for the botanicals are not shown.

Who is it for
  • Adults seeking a broad non-caffeine energy blend
  • People wanting spirulina with adaptogenic herbs
  • Users comfortable with traditional multi-herb formulas
Best for
  • General energy and resilience support
  • Daily spirulina supplementation
  • Broad botanical antioxidant support

Pros

  • Provides 1,000 mg organic spirulina
  • Lists individual botanical amounts
  • Includes cordyceps and eleuthero
  • Uses several organic ingredients

Cons

  • Most extracts lack standardization
  • Astragalus and reishi are lightly dosed
  • Cordyceps source details are missing
  • Spirulina contaminant testing is not disclosed

Warnings

  • No algae contaminant-testing details are supplied
  • Immune-active mushrooms and astragalus may not suit people using immunosuppressants
  • Schisandra and black pepper extract can alter medication exposure
  • Red sage may add to bleeding risk with anticoagulant medicines

Nutrient quality

57 Moderate impact

Organic spirulina is clearly identified, but the many botanical extracts lack ratios, plant parts, or active-marker strengths. Spirulina is meaningful, while cordyceps, astragalus, reishi, and most other extracts are modest.

Ingredient transparency

74 High impact

Every listed botanical has an individual amount. Excipients and daily directions are absent from the supplied data, which leaves some label details uncertain.

Customer satisfaction

65 High impact

The aggregate satisfaction average is favorable, though no detailed feedback is supplied. The substantial volume provides a useful aggregate satisfaction signal.

Value for money

47 Lower impact

The meaningful spirulina amount helps, but the long undercharacterized blend weakens formula quality. The serving cost is moderate for the broad formula but not compelling for its modest key extracts.

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Goals

Anti-Inflammatory Support
Impact
Moderate effect
C+ Goal FitC Strength of SupportB- CoverageD+ Formula Quality
Blue-Green Algae · 1000 mg

A full spirulina amount and several adaptogenic botanicals provide broad antioxidant and immune-modulating support. Human evidence and active-marker disclosure are uneven across the botanical blend.

Black pepper may aid absorption, but most extracts lack standardization and spirulina contaminant testing is not shown. The energy-focused blend offers breadth with inconsistent depth.

Study evidence
Blue-Green Algae Supportive 4 studies

Ingredients

IngredientAmount per serving
organic Spirulina
1000 mg
Codonopsis extract
150 mg
Cordyceps extract
150 mg
organic Goji
150 mg
Eleuthero extract
100 mg
Gynostemma extract
100 mg
organic Atractylodes extract
100 mg
organic Schizandra extract
100 mg
Cornus extract
75 mg
organic Red Sage extract
75 mg
White Peony extract
75 mg
organic Astragalus extract
50 mg
Reishi extract
50 mg
sun-dried aged ripe Tangerine extract
25 mg
Jujube extract
25 mg
Black Pepper fruit extract
1 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Blue-Green Algae · 1000 mg OverallScore62
C- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyB- Value

The algae is described as organic, but no recognized certification body is identified. The algae portion uses spirulina alone, so cellulose cell-wall processing is not required. The 1000 mg algae serving reaches the high-dose range. No algae-specific contaminant testing is disclosed. The effective algae dose is priced near the collection median.

Eleuthero · 100 mg OverallScore48
F Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyD+ Value

The extract provides no eleutheroside standardization, extraction ratio, or plant-part identification. Its clearly disclosed 100 mg amount just reaches the minimum effective extract threshold. The per-serving cost is moderate, giving acceptable value despite limited quality detail.

Astragalus · 50 mg OverallScore40
F Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyF Value

The generic extract lacks the plant part, species, ratio, and active-marker details needed for a confident quality assessment. The exact 50 mg amount falls below the preferred range for focused astragalus support. Its cost per standard extract amount is high.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Combined high-intensity interval training and spirulina supplementation synergistically improve inflammatory and lipid-associated biomarkers in men with obesity.
    Delfan M; Negin Zeidi HA; Kashani FR; Zeynali F; Juybari RA; Rahimpour M; Willems MET; Saeidi A; Zouhal H · Nutrition research (New York, N.Y.) · 2026
    Randomized trial64 participantsAnti-Inflammatory Support forBlue-Green Algae
  2. Effects of spirulina (Arthrospira) platensis supplementation on inflammation, physical and mental quality of life, and anthropometric measures in patients with relapsing-remitting multiple sclerosis (RRMS): a triple-blinded, randomized, placebo-controlled trial
    Sheno Karimi, Vahid Shaygannejad, Adel Mohammadalipour, Awat Feizi, Sahar Hooshmand, Marzieh Kafeshani · Nutrition Journal · 2025
    Randomized trial80 participantsAnti-Inflammatory Support forBlue-Green Algae
  3. Spirulina's impacts on cardiovascular health: Insights from a systematic meta-analysis of RCT
    Hamidreza Shiri, Ali Akbar Soleimani, Behnam Omidi Sarajar, Abdolkarim Talebi Taheri, Fataneh Esmaeili, Mohammad Hadi Nematollahi, Mahmood Alizadeh Sani · Complementary Therapies in Medicine · 2025
    Meta-analysis1,523 participants35 studies pooledAnti-Inflammatory Support forBlue-Green Algae
  4. Spirulina supplementation prevents exercise-induced lipid peroxidation, inflammation and skeletal muscle damage in elite rugby players
    Mehdi Chaouachi, Sandrine Gautier, Yoann Carnot, Pierrick Guillemot, Joel Pincemail, Yann Moison, Tom Collin, Carole Groussard, Sophie Vincent · Journal of Human Nutrition and Dietetics · 2022
    Randomized trial17 participantsAnti-Inflammatory Support forBlue-Green Algae