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Thorne Supplements: Scored and Compared

Thorne is a practitioner-grade supplement company trusted by Mayo Clinic, multiple professional sports teams, and the US Olympic Committee. Their manufacturing facility exceeds FDA cGMP standards, and many products carry NSF Certified for Sport status - the gold standard for third-party testing.

87/100
avg score
14
Products Scored
87/100
Avg Score
100%
Third-Party Tested
$0.65
Avg Cost/Day

Brand Overview

Thorne is a practitioner-grade supplement company trusted by Mayo Clinic, multiple professional sports teams, and the US Olympic Committee. Their manufacturing facility exceeds FDA cGMP standards, and many products carry NSF Certified for Sport status - the gold standard for third-party testing. Thorne consistently scores well on quality and transparency, though you pay a premium for it. If you are a competitive athlete subject to drug testing, or you simply want the highest quality assurance available, Thorne is the most defensible choice in the supplement industry.

Website: thorne.com
NSF Certified for SportcGMP+Mayo Clinic partner

Brand Quality Assessment

Strengths

  • +NSF Certified for Sport on many products - the gold standard for third-party testing
  • +Manufacturing exceeds FDA cGMP requirements
  • +Exemplary label transparency with no proprietary blends
  • +Trusted by Mayo Clinic, US Olympic teams, and professional sports organizations

Weaknesses

  • -Premium pricing across all product categories
  • -Smaller bottle sizes mean more frequent reordering
  • -NSF certification is brand-level on some products, not always product-specific

Best for

Competitive athletes subject to drug testing, anyone who wants maximum quality assurance and is willing to pay for it, and practitioners recommending supplements to patients.

Score Breakdown (Averages across all products)

Dosing & Form
24/25
Purity Verification
24/25
Transparency
23/25

All Thorne Products We Have Scored (14)

Vitamin D3 scorecard →
Lab Tested
01

Thorne Vitamin D-5,000

Thorne
92/100
Excellent
$0.18/day5000IU/serving$10.50 (60 servings)

$10.50 ÷ 58 days at 5000IU/day (1 serving × 5000IU)

✓ Third-party testedNSF Certified for Sport

NSF Certified for Sport makes this the go-to for competitive athletes. Clean capsule with minimal excipients.

+NSF Certified for Sport, free of banned substances
+Clean capsule with no unnecessary excipients
+5,000 IU suits documented deficiency
Premium pricing at $0.18 per day
60-count bottle lasts only two months

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Iron (Bisglycinate) scorecard →
Top Pick
02

Thorne Iron Bisglycinate

Thorne
92/100
Excellent
$0.33/day25mg/serving$19.80 (60 servings)

$19.80 ÷ 60 days at 25mg/day (1 serving × 25mg)

✓ Third-party testedNSF Certified for Sport

NSF Certified for Sport makes this the top choice for competitive athletes and anyone prioritizing certification rigor. Clean capsule with minimal excipients.

+NSF Certified for Sport
+Clean capsule with minimal excipients
+Well-studied bisglycinate chelate form
Premium pricing at $0.33 per day
Reaching 50mg therapeutic dose doubles cost

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Zinc scorecard →
Top Pick
03

Zinc Picolinate 30 mg

Thorne
90/100
Excellent
$0.20/day30mg/serving$12.00 (60 servings)

$12.00 ÷ 60 days at 30mg/day (1 serving × 30mg)

✓ Third-party testedNSF Certified for Sport

Zinc picolinate is the best-studied form for absorption. NSF Certified for Sport makes this the go-to for athletes subject to drug testing. Highest-quality option in this category.

+NSF Certified for Sport, the most rigorous program
+Zinc picolinate is the best-absorbed form
+Clean capsule with minimal excipients
Premium pricing at $0.20 per day
No copper included at 30mg dose

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Vitamin B12 scorecard →
04

Thorne Methylcobalamin

Thorne
90/100
Excellent
$0.22/day1000mcg/serving$13.00 (60 servings)

$13.00 ÷ 59 days at 1000mcg/day (1 serving × 1000mcg)

✓ Third-party testedNSF Certified for Sport

The best choice for competitive athletes who need NSF certification. Premium pricing is the only real drawback.

+NSF Certified for Sport - 270+ banned substances screened
+Active methylcobalamin form
+Clean capsule with no artificial additives
Premium pricing at $0.22 per day
Hard to justify for general-population use

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Magnesium Glycinate scorecard →
05

Thorne Magnesium Bisglycinate

Thorne
90/100
Excellent
$0.23/day200mg/serving$14.00 (60 servings)

$14.00 ÷ 61 days at 200mg/day (1 serving × 200mg)

✓ Third-party testedNSF Certified for Sport (brand-level)

Thorne's manufacturing standards are among the highest in the industry. Trusted by Mayo Clinic and numerous sports teams.

+NSF Certified for Sport brand trusted by Mayo Clinic
+Clean label with minimal excipients
+200mg elemental from pure bisglycinate chelate
Premium $0.23 per day pricing
Only 60 servings per bottle

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

CoQ10 (Ubiquinol) scorecard →
Lab Tested
06

Thorne CoQ10 100mg

Thorne
90/100
Excellent
$0.55/day100mg/serving$32.97 (60 servings)

$32.97 ÷ 60 days at 100mg/day (1 serving × 100mg)

✓ Third-party testedNSF Certified for Sport

NSF Certified for Sport makes this the go-to for competitive athletes and anyone who requires independent certification. The premium price is justified by the rigorous quality standard.

+NSF Certified for Sport
+Exceeds cGMP manufacturing standards
+Batch-level Certificates of Analysis published
Premium $0.55/day pricing
Ubiquinone form requires conversion

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Turmeric / Curcumin scorecard →
Lab Tested
07

Meriva SF (Soy-Free) Curcumin Phytosome

Thorne
90/100
Excellent
$0.67/day500mg/serving$40.00 (60 servings)

$40.00 ÷ 60 days at 500mg/day (1 serving × 500mg)

✓ Third-party testedNSF Certified for Sport

NSF Certified for Sport makes this the top choice for athletes and anyone who demands the highest third-party verification standard. Soy-free Meriva is a meaningful upgrade for people with soy sensitivities.

+NSF Certified for Sport third-party gold standard
+Meriva phytosome delivers 29x better absorption
+Soy-free sunflower phospholipid formulation
Premium $0.67/day pricing
Requires 2 capsules for 1000mg clinical dose

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Multivitamin (General Adult) scorecard →
Top Pick
08

Basic Nutrients 2/Day

Thorne
90/100
Excellent
$0.70/day2capsules/serving$21.00 (30 servings)

$21.00 ÷ 30 days at 2capsules/day (1 serving × 2capsules)

✓ Third-party testedNSF Certified for Sport

Only 2 capsules/day with methylfolate, methylcobalamin, 2000 IU D3, and chelated minerals - rare for a 2-pill formula

+NSF Certified for Sport, gold-standard verification
+Methylated B vitamins and chelated minerals
+Only 2 capsules daily, adequate 2000 IU D3
Premium pricing at $0.70 per day

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Creatine Monohydrate scorecard →
Lab Tested
09

Creatine (Creapure)

Thorne
90/100
Excellent
$0.87/day5000mg/serving$78.00 (90 servings)

$78.00 ÷ 90 days at 5000mg/day (1 serving × 5000mg)

✓ Third-party testedNSF Certified for Sport

Creapure is manufactured in Germany by AlzChem and is considered the purest creatine source available

+NSF Certified for Sport
+Creapure purest creatine source
+Single-ingredient clean label
Premium $0.87/day pricing

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Melatonin scorecard →
10

Melaton-3

Thorne
86/100
Excellent
$0.17/day3mg/serving$10.00 (60 servings)

$10.00 ÷ 59 days at 3mg/day (1 serving × 3mg)

✓ Third-party testedNSF Certified for Sport

The NSF Certified for Sport designation makes this the best choice for competitive athletes subject to drug testing. Also appropriate for anyone who wants the highest level of independent purity verification.

+NSF Certified for Sport, highest purity standard
+Pharmaceutical-grade manufacturing
+Clean label with no fillers of concern
Moderate cost at $0.17 per day
3mg is upper end of effective range

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Collagen Peptides scorecard →
Lab Tested
11

Thorne Collagen Plus

Thorne
86/100
Excellent
$1.40/day10g/serving$42.00 (30 servings)

$42.00 ÷ 30 days at 10g/day (1 serving × 10g)

✓ Third-party testedNSF Certified for Sport

The only collagen product in this comparison with NSF Certified for Sport status. The use of clinically studied bioactive peptide fractions (Fortigel and Verisol) rather than generic hydrolyzed collagen is a meaningful formulation distinction. Appropriate for athletes subject to drug testing and those who need maximum quality assurance.

+NSF Certified for Sport
+Clinically studied Fortigel and Verisol peptides
+Includes vitamin C co-factor
Premium $1.40/day pricing

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Whey Protein Isolate scorecard →
12

Whey Protein Isolate

Thorne
84/100
Good
$1.83/day21g/serving$54.99 (30 servings)

$54.99 ÷ 30 days at 21g/day (1 serving × 21g)

✓ Third-party testedNSF Certified for Sport

The right choice for competitive athletes in tested sports. The 21g protein per scoop is slightly below the 25g most products hit, which is a minor but noted gap relative to the higher price.

+NSF Certified for Sport, the most rigorous program
+Single-source isolate with no additives
+Trusted by drug-tested professional athletes
Premium pricing at $1.83 per day
Only 21g protein per scoop, below category norm

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

Fish Oil (Omega-3) scorecard →
Lab Tested
13

Thorne Super EPA

Thorne
83/100
Good
$0.73/day695mg/serving$32.00 (90 servings)

$32.00 ÷ 44 days at 1390mg/day (2 servings × 695mg)

✓ Third-party testedNSF Certified for SportIFOS tested

NSF Certified for Sport + IFOS tested in premium rTG form. The go-to fish oil for competitive athletes and those wanting maximum quality assurance.

+NSF Certified for Sport plus IFOS tested
+Re-esterified triglyceride form with best absorption
+EPA-predominant formula aligns with CV and depression research
Premium pricing at $0.73/day
Fewer servings per bottle than competitors
May be overkill for non-athlete users

Prices checked 2026-03-01. Cost shown is per clinically effective daily dose, not per pill.

14

Super EPA

Thorne
67/100
Fair
$1.07/day425mg/serving$41.00 (90 servings)

$41.00 ÷ 38 days at ~998mg/day (2.3 servings × 425mg)

✓ Third-party testedNSF Certified for Sport

Highest tier quality certification (NSF Sport) with CO2 extraction, but low EPA per serving makes it expensive for cardiovascular dosing

+NSF Certified for Sport, highest tier verification
+CO2 extraction preserves oil quality
+TG form for good absorption
425mg EPA well below cardiovascular target
Expensive at $1.07 per effective dose

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

Product Comparison

ProductSupplement TypeGradeCost/DayThird-Party
Thorne Vitamin D-5,000
Vitamin D392/100$0.18Yes
Thorne Iron Bisglycinate
Iron (Bisglycinate)92/100$0.33Yes
Zinc Picolinate 30 mg
Zinc90/100$0.20Yes
Thorne Methylcobalamin
Vitamin B1290/100$0.22Yes
Thorne Magnesium Bisglycinate
Magnesium Glycinate90/100$0.23Yes
Thorne CoQ10 100mg
CoQ10 (Ubiquinol)90/100$0.55Yes
Meriva SF (Soy-Free) Curcumin Phytosome
Turmeric / Curcumin90/100$0.67Yes
Basic Nutrients 2/Day
Multivitamin (General Adult)90/100$0.70Yes
Creatine (Creapure)
Creatine Monohydrate90/100$0.87Yes
Melaton-3
Melatonin86/100$0.17Yes
Thorne Collagen Plus
Collagen Peptides86/100$1.40Yes
Whey Protein Isolate
Whey Protein Isolate84/100$1.83Yes
Thorne Super EPA
Fish Oil (Omega-3)83/100$0.73Yes
Super EPA
omega-3-epa67/100$1.07Yes

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