Swanson WIO Long Day Self-Recovery™, 60 Capsules supplement bottle
Swanson WIO

Long Day Self-Recovery™, 60 Capsules

What We Researched
3 active ingredients analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
91
Product Score Excellent
90
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (from magnesium glycinate) 250 mg 60%
L-Theanine 100 mg *
L-5 HTP(L-5-hydroxytryptophan)(Griffonia simplicifolia seed extract) 50 mg *
Bioavailability Excellent

Absorption Rating

  • Magnesium (from magnesium glycinate) Good
  • L-Theanine Good
  • L-5 HTP(L-5-hydroxytryptophan)(Griffonia simplicifolia seed extract) Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Silica
  • Magnesium Stearate
Efficacy Good

Dosage Analysis

  • Magnesium (from magnesium glycinate) 250 mg Effective
  • L-Theanine 100 mg Effective
  • L-5 HTP(L-5-hydroxytryptophan)(Griffonia simplicifolia seed extract) 50 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (from magnesium glycinate) 250 mg 60%
L-Theanine 100 mg *
L-5 HTP(L-5-hydroxytryptophan)(Griffonia simplicifolia seed extract) 50 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$20$19$18$17$16 Mar 12 $18.00
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
Swanson WIO

Founded 1969 · Fargo, North Dakota, United States · 4 products · swansonvitamins.com/

Certifications

4 certifications
Consumerlab Verified
Nsf Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
In House Testing — Verified Source

Violation History

6 incidents
Recall Vitamin B12 Methylcobalamin High Absorption2022-03-04Source
Lawsuit Website not accessible per WCAG 2.1 accessibility standards.2019Source
Prop 65 Lead2015-11-03Source
Recall Swanson Premium Brand Full Spectrum Cilantro (Coriander)2014-04-04Source
Recall Swanson Organic Celery Seed (Whole)2011-12-16Source
Fda Warning Selling unapproved new drugs (Red Yeast Rice supplements containing lovastatin) and making illegal drug claims.2007-08-08Source
Related Supplements
Frequently Asked Questions
Is Swanson WIO Long Day Self-Recovery™, 60 Capsules a good supplement?

Swanson WIO Long Day Self-Recovery™, 60 Capsules received a product quality score of 91/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 3 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, Swanson WIO, holds a brand trust score of 90/100 with 4 verified certifications including Consumerlab, Nsf Gmp, Usda Organic, Fda Gmp Inspections.

What are the ingredients in Swanson WIO Long Day Self-Recovery™, 60 Capsules?

Swanson WIO Long Day Self-Recovery™, 60 Capsules contains 3 active ingredients: Magnesium (from magnesium glycinate) (250 mg), L-Theanine (100 mg), L-5 HTP(L-5-hydroxytryptophan)(Griffonia simplicifolia seed extract) (50 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Swanson WIO Long Day Self-Recovery™, 60 Capsules safe to take?

Swanson WIO Long Day Self-Recovery™, 60 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 Swanson WIO a trustworthy supplement brand?

Swanson WIO receives a brand trust score of 90/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1969 and headquartered in Fargo, North Dakota, United States, the company offers 4 products in their lineup. They hold 4 verified certifications including Consumerlab, Nsf Gmp, Usda Organic, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Swanson WIO has 6 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.