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California Gold Nutrition supplements, graded by the human studies

We graded 6 California Gold Nutrition 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 California Gold Nutrition makes, tests or sells its products, and we sell no supplements. Educational, not medical advice.

Products graded
6
Goals graded for
6
Top-ranked for their goal
Tier 2, Researched
Tier 3, Reviewed
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The California Gold Nutrition products we graded

Members6 products, A to Z
California Gold Nutrition Defender 4 bottle
Defender 4
graded for Immune Health · Vitamin D (as D3, Cholecalciferol) 25 mcg per serving · reviews positive · a month
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California Gold Nutrition Digestion Pro with ProDigest bottle
Digestion Pro with ProDigest
graded for After-Meal Comfort: Fast Relief · Botanical Digestive Blend [Artichoke Extract (Cynara cardunculus) (leaf) (std. 20% caffeoylquinic acids, 5% cynaropircrin, 5% flavonoids) and Ginger Extract (Zingiber officinale) (rhizome) (Std. 25% gingerols and shogaols)] 320 mg per serving · reviews positive · a month
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California Gold Nutrition GLP-1 Supreme bottle
GLP-1 Supreme
graded for Weight and Metabolism for Women · Amorphous Turmeric Curcumin Complex (Turmeric Rhizome Oleoresin [27% Curcumin], Hypromellose, Maltodextrin) 200 mg per serving · reviews positive · a month
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California Gold Nutrition Lutein with Zeaxanthin from Marigold Extract bottle
Lutein with Zeaxanthin from Marigold Extract
graded for Eye Health · Zeaxanthin (from Marigold Extract) (Tagetes erecta)(flower) 1 mg per serving · reviews positive · a month
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California Gold Nutrition Marine Collagen bottle
Marine Collagen
graded for Younger-Looking Skin for Women · Hydrolyzed Marine Collagen Peptides 5 g per serving · reviews positive · a month
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California Gold Nutrition Reishi (Ganoderma lucidum) Full Spectrum Certified Organic bottle
Reishi (Ganoderma lucidum) Full Spectrum Certified Organic
graded for Healthy Aging · Organic Reishi (Ganoderma lucidum) (mycelium, primordia, fruiting bodies, and extracellular compounds) 600 mg per serving · reviews positive · a month
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What California Gold Nutrition products were graded for

Each goal links to its page, with every product graded for it
GoalCalifornia Gold Nutrition products
After-Meal Comfort: Fast Relief1
Eye Health1
Healthy Aging1
Immune Health1
Weight and Metabolism for Women1
Younger-Looking Skin for Women1

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Our articles on these goals

Questions people ask

Members

Is California Gold Nutrition a good brand?

Answer for members.

Which California Gold Nutrition products have the strongest evidence?

Answer for members.

How does Reverse Age Lab grade California Gold Nutrition products?

Answer for members.

Can I take California Gold Nutrition 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. California Gold Nutrition is a trademark of its owner; Reverse Age Lab is not affiliated with it and sells no supplements. How we grade →