Life Extension Optimized Tryptophan Plus, 90 Vegetarian Capsules supplement bottle
Life Extension

Optimized Tryptophan Plus, 90 Vegetarian Capsules

What We Researched
4 active ingredients analyzed · 7 inactive ingredients decoded · 3 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
85
Product Score Good
86
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Niacin (as niacinamide) 66 mg• 413%
L-Tryptophan 1000 mg **
L-Lysine (from L-Lysine HCl) 250 mg **
Proprietary Tryptophan Plus BlendPerluxan® hops standardized extract (cones), Rosemary standardized extract (leaf) 285 mg **
Bioavailability Excellent

Absorption Rating

  • Niacin (as niacinamide) Good
  • L-Tryptophan Good
  • L-Lysine (from L-Lysine HCl) Good
  • Proprietary Tryptophan Plus BlendPerluxan® hops standardized extract (cones), Rosemary standardized extract (leaf) Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose (Capsule)
  • Microcrystalline Cellulose
  • Maltodextrin
  • Starch
  • Carboxymethyl cellulose
  • Vegetable Stearate
  • Silica
Efficacy Fair

Dosage Analysis

  • Niacin (as niacinamide) 66 mg• High
  • L-Tryptophan 1000 mg Effective
  • L-Lysine (from L-Lysine HCl) 250 mg Under-dosed
  • Proprietary Tryptophan Plus BlendPerluxan® hops standardized extract (cones), Rosemary standardized extract (leaf) 285 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Niacin (as niacinamide) 66 mg• 413%
L-Tryptophan 1000 mg **
L-Lysine (from L-Lysine HCl) 250 mg **
Proprietary Tryptophan Plus BlendPerluxan® hops standardized extract (cones), Rosemary standardized extract (leaf) 285 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Starch Generally_safe

It is used as a filler, binder, or thickener.

Carboxymethyl cellulose Unknown
Vegetable Stearate Safe

Prevents ingredients from sticking to equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

iHerb $24.00 $0.80 / serving
Best Price
Vitacost $24.00 $0.80 / serving

Price History

Tracked across major retailers. Updated periodically.

$26$25$24$23$22 Mar 12 $24.00$24.00
iHerb
Vitacost

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

Brand Trust Report
Life Extension

Founded 1980 · Fort Lauderdale, Florida, USA · 352 products · lifeextension.com

Certifications

3 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed

Violation History

2 incidents
Prop 65 Lead2018-04-13Source
Fda Warning Making drug claims for dietary supplements, suggesting they can treat, mitigate, or prevent diseases such as breast cancer and Alzheimer's.2017-02-01Source
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Frequently Asked Questions
Is Life Extension Optimized Tryptophan Plus, 90 Vegetarian Capsules a good supplement?

Life Extension Optimized Tryptophan Plus, 90 Vegetarian Capsules received a product quality score of 85/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 4 active ingredients with 30 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Life Extension, holds a brand trust score of 86/100 with 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in Life Extension Optimized Tryptophan Plus, 90 Vegetarian Capsules?

Life Extension Optimized Tryptophan Plus, 90 Vegetarian Capsules contains 4 active ingredients: Niacin (as niacinamide) (66 mg•), L-Tryptophan (1000 mg), L-Lysine (from L-Lysine HCl) (250 mg), Proprietary Tryptophan Plus BlendPerluxan® hops standardized extract (cones), Rosemary standardized extract (leaf) (285 mg). Notable high-dose ingredients include Niacin at 413% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Life Extension Optimized Tryptophan Plus, 90 Vegetarian Capsules safe to take?

Life Extension Optimized Tryptophan Plus, 90 Vegetarian Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Life Extension a trustworthy supplement brand?

Life Extension receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in Fort Lauderdale, Florida, USA, the company offers 352 products in their lineup. They hold 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Life Extension 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.