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Double Wood Supplements Supplements: Scored and Compared

Double Wood Supplements is an Amazon-native brand focused on nootropics and specialty cognitive supplements. Their differentiating claim is simple: no proprietary blends, full ingredient disclosure on every label, and a narrow focus on ingredients with actual research support.

76/100
avg score
5
Products Scored
76/100
Avg Score
40%
Third-Party Tested
$0.49
Avg Cost/Day

Brand Overview

Double Wood Supplements is an Amazon-native brand focused on nootropics and specialty cognitive supplements. Their differentiating claim is simple: no proprietary blends, full ingredient disclosure on every label, and a narrow focus on ingredients with actual research support. The catalog is smaller than mass-market brands and concentrates on compounds like alpha-GPC, lion's mane, rhodiola, boswellia, and similar. Products are manufactured in GMP-certified facilities and the brand states third-party testing, though formal certifications from USP, NSF, or Informed Choice are not standard. Pricing lands in the budget-to-mid range. Double Wood competes on transparency in a category (nootropics) where proprietary blends and under-dosed formulations are common. For buyers who want full-label disclosure on cognitive supplements without paying premium-brand prices, Double Wood is a reasonable option.

GMP CertifiedThird-party testedNo proprietary blends

Brand Quality Assessment

Strengths

  • +GMP-certified manufacturing

Weaknesses

  • -Limited data available

Best for

General supplementation needs.

Score Breakdown (Averages across all products)

Dosing & Form
24/25
Purity Verification
14/25
Transparency
18/25

All Double Wood Supplements Products We Have Scored (5)

Magnesium L-Threonate scorecard →
Best Value
01

Double Wood Supplements Magnesium L-Threonate

Double Wood Supplements
86/100
Excellent
$1.00/day2000mg/serving$29.95 (30 servings)

$29.95 ÷ 30 days at 2000mg/day (1 serving × 2000mg)

✓ Third-party testedISO-accredited COAsMagtein (patented form)

Same $1.00/day cost as Sports Research without the NSF certification. Good option for cost-focused buyers who want authentic Magtein.

+Tied for best value at $1.00 per day
+Authentic Magtein at clinical trial dose
+ISO-accredited COAs available for review
Less established brand than premium competitors
No NSF or ConsumerLab certification

Prices checked 2026-04-01. Cost shown is per clinically effective daily dose, not per pill.

Rhodiola Rosea scorecard →
02

Rhodiola Rosea Extract 500 mg

Double Wood Supplements
80/100
Good
$0.15/day500mg/serving$17.95 (120 servings)

$17.95 ÷ 120 days at 500mg/day (1 serving × 500mg)

Great bulk value but standardized to salidrosides only, lacking the 3% rosavin marker seen in most clinical trials

+Outstanding $0.15/day bulk value
+GMP certified with 120 capsules per bottle
+Standardized to 3% salidrosides
Lacks the 3% rosavin clinical marker
No independent third-party testing

Prices checked 2026-03-31. Cost shown is per clinically effective daily dose, not per pill.

Boswellia Serrata scorecard →
03

Boswellia Extract 1000mg

Double Wood Supplements
80/100
Good
$0.33/day1000mg/serving$19.95 (60 servings)

$19.95 ÷ 60 days at 1000mg/day (1 serving × 1000mg)

Delivers the full clinical dose in a single serving with clear standardization disclosure

+Full clinical dose per serving
+Clear 65% boswellic acid standardization
+Reasonable $0.33 per day pricing
No third-party product testing
Requires 2 capsules per serving

Prices checked 2026-03-31. Cost shown is per clinically effective daily dose, not per pill.

Lion's Mane Mushroom scorecard →
04

Lion's Mane Mushroom Extract

Double Wood Supplements
70/100
Good
$0.33/day1000mg/serving$19.95 (60 servings)

$19.95 ÷ 60 days at 1000mg/day (1 serving × 1000mg)

✓ Third-party testedThird-party COA available

Good price-to-volume ratio with third-party testing COAs available, but lacks active compound standardization

+Good value at $0.33 per day
+Third-party COAs available on request
+1000mg clinical dose per serving
No beta-glucan standardization listed
Extraction method not disclosed

Prices checked 2026-03-31. Cost shown is per clinically effective daily dose, not per pill.

Alpha-GPC scorecard →
05

Alpha GPC Choline Capsules 600mg

Double Wood Supplements
66/100
Fair
$0.66/day600mg/serving$19.85 (30 servings)

$19.85 ÷ 30 days at 600mg/day (1 serving × 600mg)

Cost-effective per labeled mg but label ambiguity around 50% vs 99% formulation is a significant concern

+Full 600mg labeled dose single serving
+Cost-effective at $0.66 per day
50% vs 99% formulation not clarified
No third-party testing verified
May yield only 300mg actual Alpha-GPC

Prices checked 2026-03-31. Cost shown is per clinically effective daily dose, not per pill.

Product Comparison

ProductSupplement TypeGradeCost/DayThird-Party
Double Wood Supplements Magnesium L-Threonate
Magnesium L-Threonate86/100$1.00Yes
Rhodiola Rosea Extract 500 mg
Rhodiola Rosea80/100$0.15No
Boswellia Extract 1000mg
Boswellia Serrata80/100$0.33No
Lion's Mane Mushroom Extract
Lion's Mane Mushroom70/100$0.33Yes
Alpha GPC Choline Capsules 600mg
Alpha-GPC66/100$0.66No

FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Always consult with a qualified healthcare professional before starting any supplement regimen.