THORNE - Zinc Picolinate 30 mg - Well-Absorbed Zinc Supplement for Growth and Immune Function - Promotes Healthy Skin & Eyes* - Third-Party Certified - Gluten, Dairy & Soy-Free - 60 Capsules
$0.33/serving
Price verified Apr 22, 2026
Not evaluated by the FDA · Individual results may vary · Consult a healthcare provider before use
Our verdict
30mg elemental zinc of Zinc Picolinate per capsule from THORNE. Best for overall / daily supplementation.
Why we recommend this
Zinc picolinate is the most bioavailable oral zinc form, and Thorne is one of the most trusted supplement brands in clinical practice. NSF Certified for Sport means rigorous testing for 200+ banned substances. Clean formula with no unnecessary fillers.
Check for interactions
Already taking other supplements or prescription medications? Add them below to check for documented interactions, severity, and clinical guidance.
Our database currently documents 137+ supplement and drug-category interaction pairs. Combinations not flagged here may still interact — always consult your healthcare provider before combining supplements, especially with prescription medications.
What to watch out for
Does not include copper. At 30mg/day, long-term users should consider adding copper separately.
Dose & form
- Serving
- 30mg elemental zinc
- Form
- Capsule
- Clinical range
- 15-30mg elemental zinc daily
- Dose adequacy
- Therapeutic
- Supply
- 60 servings · $0.33/serving
- UPC
- 693749220022
Who it's best for
Overall / daily supplementation
Who should skip it
Long-term daily users who need copper co-supplementation included
Pros
- Highest bioavailability form (picolinate)
- NSF Certified for Sport
- Clean label — minimal excipients
- Trusted by healthcare practitioners
Cons
- No copper included
- Slightly higher price than budget options
- Single-mineral formula only
What customers say
4.8★ across 10,694 Amazon reviews. The most common questions from shoppers: re any potential interactions with medications, re any side effects from long-term use, and cause any digestive issues or side effects. Full answers in the FAQ below.
Frequently Asked Questions
What is the clinical dose for Zinc Picolinate?
What is the clinical dose for Zinc Picolinate?
Clinical trials typically use 15-30mg elemental zinc daily. Thorne Zinc Picolinate 30mg delivers 30mg elemental zinc, which we classify as Therapeutic relative to that range.
How does Thorne Zinc Picolinate 30mg compare to similar Capsule?
How does Thorne Zinc Picolinate 30mg compare to similar Capsule?
See the "Also consider" section below for two alternatives. Choose based on form preference (Capsule vs alternatives), dose adequacy, and third-party testing.
Is Thorne Zinc Picolinate 30mg third-party tested?
Is Thorne Zinc Picolinate 30mg third-party tested?
Yes — NSF Certified for Sport. Third-party testing verifies ingredient identity and label accuracy.
Does this work with Amazon Subscribe & Save?
Does this work with Amazon Subscribe & Save?
Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.
Are there any potential interactions with medications?
Are there any potential interactions with medications?
Zinc picolinate may interact with antibiotics (tetracyclines, fluoroquinolones) and penicillamine — space doses 2+ hours apart. Thorne Zinc Picolinate contains no additional herbs or stimulants that would cause further interactions. Consult your physician if taking immunosuppressants or diuretics.
Are there any side effects from long-term use?
Are there any side effects from long-term use?
At 30mg per serving, Thorne Zinc Picolinate is within the NIH upper tolerable intake level of 40mg/day. Long-term use above 30mg/day may deplete copper stores, so consider adding 1-2mg copper separately. NSF Certified for Sport testing ensures purity for ongoing daily use.
Does it cause any digestive issues or side effects?
Does it cause any digestive issues or side effects?
Zinc picolinate is one of the gentlest forms on the stomach compared to sulfate or gluconate. Taking with food further reduces the risk of nausea. Thorne's clean formulation with minimal excipients also minimizes GI irritation.
Can it be taken with other supplements or vitamins?
Can it be taken with other supplements or vitamins?
Yes. Thorne Zinc Picolinate pairs well with vitamin C for immune support. Avoid taking simultaneously with iron, calcium, or copper supplements as they compete for absorption. Space zinc and these minerals at least 2 hours apart for best results.
Are there any specific instructions for taking it safely?
Are there any specific instructions for taking it safely?
Take 1 capsule daily with a meal to reduce the chance of nausea. Thorne recommends consulting a healthcare practitioner before use. Those with kidney disease or taking prescription medications should seek medical advice before supplementing zinc.
How long until benefits are typically experienced?
How long until benefits are typically experienced?
Immune function improvements may be noticed within 1-2 weeks of consistent use. Skin and wound healing benefits typically take 4-8 weeks. Full zinc repletion for deficient individuals generally requires 2-3 months of daily supplementation.
Also consider
Part of this guide
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