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Thorne supplements, graded by the human studies

We graded 22 Thorne products against the human studies of their ingredients, the dose on each label and what buyers say in their reviews. Each grade belongs to the product and the goal it was graded for: we do not grade how Thorne makes, tests or sells its products, and we sell no supplements. Educational, not medical advice.

Products graded
22
Goals graded for
17
Top-ranked for their goal
Tier 1, Studied
Tier 2, Researched
Tier 3, Reviewed
Tier 4, Emerging
Tier 5, Not Endorsed
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The Thorne products we graded

Members22 products, A to Z
Thorne Basic B Complex bottle
Basic B Complex
graded for Energy · Vitamin B3 (Niacin) 10 mg per serving · reviews positive · a month
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Thorne Basic Nutrients 2/Day (Multivitamin) bottle
Basic Nutrients 2/Day (Multivitamin)
graded for Hair Growth · Niacin (as Niacinamide) 50 mg per serving · reviews positive · a month
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Berberine
graded for Blood Sugar · Berberine HCl (from Indian Barberry extract) (root) (Berberis aristata) 450 mg per serving · reviews positive
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Thorne Berberine 500 mg bottle
Berberine 500 mg
graded for Cholesterol · Berberine HCl (from Indian Barberry extract) (root) (Berberis aristata) 450 mg per serving · reviews positive · a month
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Thorne Betaine HCL & Pepsin bottle
Betaine HCL & Pepsin
graded for Gallbladder and Fat Digestion · Betaine Hydrochloride 1 g per serving · reviews positive · a month
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Thorne Copper Bisglycinate bottle
Copper Bisglycinate
graded for Immune Health · Copper (as TRAACS® Copper Bisglycinate Chelate)† 2 mg per serving · reviews positive · a month
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Thorne Creatine bottle
Creatine
graded for Muscle and Strength · Creatine Monohydrate 5 g per serving · reviews positive · a month
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Thorne Crucera-SGS bottle
Crucera-SGS
graded for Liver Health · Vitamin C (as Ascorbic Acid) 100 mg per serving · reviews positive · a month
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Thorne Curcumin Phytosome (Meriva SF) bottle
Curcumin Phytosome (Meriva SF)
graded for Joints and Mobility · Curcumin Phytosome (Curcuma longa extract (root) / Phospholipid complex from Sunflower) 1 g per serving · reviews positive · a month
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Thorne Generic Melaton3 bottle
Generic Melaton3
graded for Sleep · Melatonin 3 mg per serving · reviews positive · a month
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Thorne iron 25mcg bottle
iron 25mcg
graded for Circulation · Iron (as Ferrochel® Ferrous Bisglycinate Chelate)† 25 mg per serving · reviews positive · a month
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Thorne L-Glutamine Powder bottle
L-Glutamine Powder
graded for Digestion and Bloating · L-Glutamine 5 g per serving · reviews positive · a month
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Thorne Magnesium Bisglycinate bottle
Magnesium Bisglycinate
graded for Sleep · Magnesium (as Magnesium Bisglycinate) 200 mg per serving · reviews positive · a month
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Thorne NAC bottle
NAC
graded for Lungs and Breathing · N-Acetyl-L-Cysteine 500 mg per serving · a month
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Thorne NiaCel 400 bottle
NiaCel 400
graded for Healthy Aging · Nicotinamide Riboside Hydrogen Malate 415 mg per serving · reviews positive · a month
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Thorne Phosphatidyl Choline bottle
Phosphatidyl Choline
graded for Gallbladder and Fat Digestion · Calories 5 kcal per serving · reviews positive · a month
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Thorne Potassium Citrate bottle
Potassium Citrate
graded for Blood Pressure · Potassium (as Potassium Citrate) 99 mg per serving · reviews positive · a month
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Thorne ResveraCel bottle
ResveraCel
graded for Healthy Aging · Nicotinamide Riboside Hydrogen Malate 415 mg per serving · reviews positive · a month
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Thorne Selenium bottle
Selenium
graded for Thyroid Health · Selenium (as L-Selenomethionine) 200 mcg per serving · reviews positive · a month
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Thorne Vitamin D-5,000 bottle
Vitamin D-5,000
graded for Immune Health · Vitamin D (as Vitamin D3) 125 mcg per serving · reviews positive · a month
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Thorne Vitamin D/K2 Liquid bottle
Vitamin D/K2 Liquid
graded for Bone Health · Vitamin K2 (Menatetrenone) 200 mcg per serving · reviews positive · a month
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Thorne Zinc Picolinate 30 mg bottle
Zinc Picolinate 30 mg
graded for Thyroid Health · Zinc (as Zinc Picolinate) 30 mg per serving · reviews positive · a month
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Members see each product's tier, its reviews and why. Start My 7-Day Free Trial →

What Thorne products were graded for

Each goal links to its page, with every product graded for it
GoalThorne products
Gallbladder and Fat Digestion2
Healthy Aging2
Immune Health2
Sleep2
Thyroid Health2
Blood Pressure1
Blood Sugar1
Bone Health1
Cholesterol1
Circulation1
Digestion and Bloating1
Energy1
Hair Growth1
Joints and Mobility1
Liver Health1
Lungs and Breathing1
Muscle and Strength1

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Our articles on these goals

Questions people ask

Members

Is Thorne a good brand?

Answer for members.

Which Thorne products have the strongest evidence?

Answer for members.

How does Reverse Age Lab grade Thorne products?

Answer for members.

Can I take Thorne supplements with my meds?

Answer for members.

Members see the answers, checked against their own meds and goals. Start My 7-Day Free Trial →

Educational, not medical advice. Grades come from human studies on PubMed, the dose on each label, store reviews we read ourselves and our biohacker panel, and are updated as new studies arrive. Thorne is a trademark of its owner; Reverse Age Lab is not affiliated with it and sells no supplements. How we grade →