LifeSeasons Stem Boost-R, 120 Veg Capsules supplement bottle
LifeSeasons

Stem Boost-R, 120 Veg Capsules

What We Researched
7 active ingredients analyzed · 3 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
78
Product Score Fair
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 (as cholecalciferol) 50 mcg 250%
Spirulina (Arthrospira platensis) Algae 600 mg **
Blueberry (Vaccinium spp.) Fruit Extract (5:1) 500 mg **
Royal Jelly (enzyme-treated) 333 mg **
Brown Seaweed (Laminaria japonica) (85%[170 mg] fucoidan) 200 mg **
Green Tea (Camellia sinensis)Leaf Extract (up to 95% [95 mg] total polyphenols including EGCG, and up to 0.5%[0.5 mg]caffeine) 100 mg **
L-Carnosine 50 mg **
Bioavailability Good

Absorption Rating

  • Vitamin D3 (as cholecalciferol) Good
  • Spirulina (Arthrospira platensis) Algae Good
  • Blueberry (Vaccinium spp.) Fruit Extract (5:1) Good
  • Royal Jelly (enzyme-treated) Fair
  • Brown Seaweed (Laminaria japonica) (85%[170 mg] fucoidan) Fair
  • Green Tea (Camellia sinensis)Leaf Extract (up to 95% [95 mg] total polyphenols including EGCG, and up to 0.5%[0.5 mg]caffeine) Fair
  • L-Carnosine Fair
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Vegetable Cellulose)
  • Rice Bran
  • Silica
Efficacy Fair

Dosage Analysis

  • Vitamin D3 (as cholecalciferol) 50 mcg Effective
  • Spirulina (Arthrospira platensis) Algae 600 mg Under-dosed
  • Blueberry (Vaccinium spp.) Fruit Extract (5:1) 500 mg Effective
  • Royal Jelly (enzyme-treated) 333 mg Effective
  • Brown Seaweed (Laminaria japonica) (85%[170 mg] fucoidan) 200 mg Under-dosed
  • Green Tea (Camellia sinensis)Leaf Extract (up to 95% [95 mg] total polyphenols including EGCG, and up to 0.5%[0.5 mg]caffeine) 100 mg Under-dosed
  • L-Carnosine 50 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as cholecalciferol) 50 mcg 250%
Spirulina (Arthrospira platensis) Algae 600 mg **
Blueberry (Vaccinium spp.) Fruit Extract (5:1) 500 mg **
Royal Jelly (enzyme-treated) 333 mg **
Brown Seaweed (Laminaria japonica) (85%[170 mg] fucoidan) 200 mg **
Green Tea (Camellia sinensis)Leaf Extract (up to 95% [95 mg] total polyphenols including EGCG, and up to 0.5%[0.5 mg]caffeine) 100 mg **
L-Carnosine 50 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Vegetable Cellulose) Safe

It is used as a coating for tablets or capsules.

Rice Bran Safe

Natural filler and source of fiber.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$36$35$34$33$32 Mar 12 $34.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
LifeSeasons

Founded 2009 · Lewisville, Texas, United States · 85 products · lifeseasons.com

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Prop 65 Not specified in the notice2025-09-08Source
Recall LifeSeasons Blood Nourish-R2021-04-28Source
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Frequently Asked Questions
Is LifeSeasons Stem Boost-R, 120 Veg Capsules a good supplement?

LifeSeasons Stem Boost-R, 120 Veg Capsules received a product quality score of 78/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 7 active ingredients with 30 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, LifeSeasons, holds a brand trust score of 62/100.

What are the ingredients in LifeSeasons Stem Boost-R, 120 Veg Capsules?

LifeSeasons Stem Boost-R, 120 Veg Capsules contains 7 active ingredients: Vitamin D3 (as cholecalciferol) (50 mcg), Spirulina (Arthrospira platensis) Algae (600 mg), Blueberry (Vaccinium spp.) Fruit Extract (5:1) (500 mg), Royal Jelly (enzyme-treated) (333 mg), Brown Seaweed (Laminaria japonica) (85%[170 mg] fucoidan) (200 mg), Green Tea (Camellia sinensis)Leaf Extract (up to 95% [95 mg] total polyphenols including EGCG, and up to 0.5%[0.5 mg]caffeine) (100 mg), and 1 more. Notable high-dose ingredients include Vitamin D3 at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is LifeSeasons Stem Boost-R, 120 Veg Capsules safe to take?

LifeSeasons Stem Boost-R, 120 Veg Capsules has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is LifeSeasons a trustworthy supplement brand?

LifeSeasons receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2009 and headquartered in Lewisville, Texas, United States, the company offers 85 products in their lineup. Note: LifeSeasons has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.