Superior bioavailability
Better absorbed than sulfate, gluconate, and other common forms
Zinc Picolinate
Superior bioavailable form of zinc chelated with picolinic acid for optimal absorption and utilization
Scientific nameZinc Picolinate
FormulaC12H8N2O4Zn
Molecular weight309.59 g/mol
CAS17949-65-4
95
absorption score
8
safety / 10
20
USD per month
21
elemental zinc %
6
documented interactions
Check it against something
Zinc Picolinate with:
- Amylase
- Ashwagandha
- Avocado Oil
- BCAA (Branched-Chain Amino Acids)
- Beetroot Powder
- Beta-Alanine
- Bifidobacterium lactis
- Bifidobacterium longum
- Bovine Collagen
- Caffeine
- Calcium
- Calcium Bone Formula
- Calcium Carbonate
- Casein Protein
- Chicken Collagen
- Choline (Bitartrate)
- Chondroitin Sulfate
- Coconut Oil
- Collagen Peptides
- Comprehensive Immune Support Complex
- Comprehensive Multivitamin-Mineral Complex
- Creatine HCL
- Creatine Monohydrate
- D-Mannose
- DHA
- Electrolyte Blend
- EPA
- Fish Oil (EPA/DHA)
- Folate (5-MTHF)
- Ginger
- Iron Fumarate
- Iron Sulfate
- Joint Mobility Formula
- Keratin
- Krill Oil
- L-Carnitine
- L-Citrulline
- Lactase
- Lactobacillus acidophilus
- Lactobacillus rhamnosus
- Lipase
- Magnesium Citrate
- Magnesium Glycinate
- Magnesium Oxide
- Marine Collagen
- Melatonin
- Modafinil
- Olive Oil Extract
- Omega-3 + Curcumin + Vitamin D Triple Anti-Inflammatory Formula
- Papain
- Protease
- Saccharomyces boulardii
- Turmeric
- Vitamin A (Retinyl Palmitate)
- Vitamin B12 (Cyanocobalamin)
- Vitamin B12 (Methylcobalamin)
- Vitamin C (Ascorbic Acid)
- Vitamin C (Sodium Ascorbate)
- Vitamin D3
- Whey Protein
- Zinc Gluconate
Nothing found
99
out of 100
Works better together
Compatible. Timing differs, so follow each supplement's own window.
What it does
mechanism and evidence for each claimEnhanced immune function
Powerful immune system support and infection resistance
Accelerated wound healing
Faster tissue repair and wound recovery
Skin health and acne improvement
Reduces acne and supports overall skin health
Cognitive and mood support
Supports brain function, memory, and mood stability
Others take these for the same thing
Same goal, different mechanism — check any of them against this one
Probiotics for Autoimmune Disease Support
Gut health & immune modulation
10-100 billion CFU daily
B
60%
Vitamin D3
Bone health & immune support
1000-2000 IU
A
85%
L-Lysine
Immune support & collagen synthesis
1-3g
A
90%
Oregano Oil
Powerful respiratory antimicrobial
100-300mg
B
85%
Oregano Oil for Antimicrobial Protection
Antimicrobial & pathogen defense
1-3 drops diluted daily
B
75%
Zinc Gluconate
Immune support & cold prevention
15-25 mg
A
60%
Or a different form of the same thing
the comparison people search most
Zinc Picolinate vs Zinc Gluconate
absorption 95 against 60 ·
$20 against $20 a month
60%
Zinc Picolinate vs Zinc Carnosine
absorption 95 against 85 ·
$20 against $35 a month
85%
Zinc Picolinate vs Zinc Bisglycinate
absorption 95 against 85 ·
$20 against $35 a month
85%
Zinc Picolinate vs Zinc Citrate
absorption 95 against 70 ·
$20 against $25 a month
70%
Every pair we checked
12 combinations scored by the engine
Zinc Picolinate + Copper Bisglycinate
Zinc competes with copper for absorption
Needs attention
10
Zinc Picolinate + Iron Sulfate
High zinc can interfere with iron absorption
Needs attention
52
Zinc Picolinate + Calcium Carbonate
Very high calcium may reduce zinc absorption
Needs attention
58
Zinc Picolinate + Caffeine
No documented interaction either way
No known interaction
70
Zinc Picolinate + Creatine Monohydrate
No documented interaction either way
No known interaction
70
Zinc Picolinate + Whey Protein
No documented interaction either way
No known interaction
70
Zinc Picolinate + Lactase
No documented interaction either way
No known interaction
70
Zinc Picolinate + Bovine Collagen
No documented interaction either way
No known interaction
70
Zinc Picolinate + DHA
No documented interaction either way
No known interaction
70
Zinc Picolinate + Selenium (Thyroid Support)
Both essential for antioxidant enzyme function
Works better together
86
Zinc Picolinate + Vitamin D3
Both work together for immune function and vision
Works better together
94
Zinc Picolinate + Vitamin C (Ascorbic Acid)
Both work together for immune function and vision
Works better together
94
Dosage
Daily15-30 mg
Maintenance8-15 mg
Therapeutic15-50 mg
Upper limit40 mg daily (long-term)
Elemental zincContains ~20% elemental zinc
Upper limit
40 mg NIH ODS
Before you take it
VeganYes
When to expect it
First Effects1-2 weeks for immune and healing benefits
Peak Benefits6-12 weeks for comprehensive zinc benefits
Deficiency Development2-8 weeks with inadequate intake
Toxicity OnsetWeeks to months with excessive intake
How to measure it
MarkerSerum zinc or plasma zinc
Optimal70-120 μg/dL (10.7-18.4 μmol/L)
Deficient below<70 μg/dL (<10.7 μmol/L)
FrequencyEvery 6-12 months if supplementing regularly
What people actually reported to the FDA
CAERS, 517 reports naming it as the suspectMost reported effects
Excluded from the list above: choking (76). Those are people struggling with the tablet itself, not with the compound.
Named as the suspect
517 reports
of 964 that mention it at all
Serious outcome
87%
hospitalisation, emergency room or worse
Other Serious or Important Medical Event398
Hospitalization81
Visited a Health Care Provider71
Reports are voluntary and unverified — they record what someone experienced while taking something, not what the compound caused. Counts skew towards products people take a lot of, and a serious outcome is more likely to be reported than a mild one, so these are not rates. How we filter them →
What actually reaches you
The label counts the carrier, your body does not
Elemental zinc
21.1%
of 309.59 g/mol
Absorption
Very high 95 of 100 · best absorbed form of this compound
Delivered daily
4.5 mg
Cost per 100 mg delivered
$14.78 comparative — uses the absorption score, not a measured percentage
A 500 mg capsule of Zinc Picolinate contains 106 mg of zinc. How much of that crosses into your blood is not measured for this form — the absorption score ranks it against other forms, it is not a share of the dose. How this is calculated →
Works better with
+
Vitamin A
Both work together for immune function and vision
Zinc required for vitamin A metabolism and transport · level A
+
Vitamin C
Both support immune function and wound healing
Complementary roles in collagen synthesis and immunity · level A
+
Selenium
Both essential for antioxidant enzyme function
Required for different antioxidant enzymes · level BWhat not to take with Zinc Picolinate
!
Copper
Zinc competes with copper for absorption
Both use same intestinal transporters · major significance
!
Iron
High zinc can interfere with iron absorption
Competition for intestinal uptake · moderate significance
!
Calcium High Dose
Very high calcium may reduce zinc absorption
Mineral competition effects · mild significanceMedication interactions
Discuss these with a pharmacist before combiningZinc reduces antibiotic absorption
What to do: Space doses 2-6 hours apart
Zinc reduces drug absorption and effectiveness
What to do: Take zinc and drug at different times
Diuretics increase zinc excretion
What to do: Monitor zinc status, may need higher doses
Available forms
Best absorbed form of Zinc — 95% against 4 alternatives. Compare all forms →
Zinc Picolinate: Superior absorption, Natural chelator, Well-tolerated, Effective at lower doses
Food sources
Zinc picolinate not found naturally in foods
Only available as supplement · 95
Oysters (highest natural source)
74mg per 100g · 40
Red meat
4-8mg per 100g · 35
Pumpkin seeds
7-10mg per 100g · 25
Too little
- Impaired immune function and frequent infections
- Slow wound healing and poor tissue repair
- Hair loss and skin problems
- Loss of taste and smell
- Growth retardation in children
- Depression and cognitive impairment
- Poor appetite
Too much
- Acute: nausea, vomiting, diarrhea
- Chronic: copper deficiency anemia
- Immune suppression (ironically)
- HDL cholesterol reduction
- Gastric irritation
- Metallic taste
Who benefits most
immune-system-support
Superior bioavailability for optimal immune function
15-30 mg daily
wound-healing-recovery
Most effective zinc form for tissue repair and healing
20-40 mg daily (short-term)
acne-skin-problems
Excellent bioavailability for skin health benefits
30-50 mg daily
zinc-deficiency
Most effective form for correcting deficiency rapidly
25-50 mg daily
digestive-absorption-issues
Superior absorption even with compromised digestion
15-30 mg dailyWhere to buy it
Look for Zinc Picolinate at 15-30 mg per serving. The form that matters here is Zinc Picolinate.
Find on Amazon
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How it works
- Picolinic acid chelation enhances intestinal absorption
- Essential cofactor for 300+ enzymatic reactions
- Critical for DNA synthesis and cell division
- Required for immune cell development and function
- Essential for protein synthesis and wound healing
- Involved in taste, smell, and vision
Key findings
what the evidence supports- Superior bioavailability compared to other zinc forms (absorption studies)
- Effective for immune support and infection prevention (clinical trials)
- Accelerates wound healing and tissue repair (medical literature)
- Beneficial for acne and skin conditions (dermatology studies)
Sources: NIH Examine.com · data reviewed 2026-08-02
Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →
Common questions
What are the benefits of Zinc Picolinate?
Documented effects: Superior bioavailability; Enhanced immune function; Accelerated wound healing; Skin health and acne improvement. Better absorbed than sulfate, gluconate, and other common forms
How much Zinc Picolinate should you take per day?
The common daily range is 15-30 mg. By goal — maintenance: 8-15 mg; therapeutic: 15-50 mg; upper limit: 40 mg daily (long-term); elemental zinc: Contains ~20% elemental zinc.
When is the best time to take Zinc Picolinate?
With food. First effects are typically reported within 1-2 weeks for immune and healing benefits.
What are the side effects of Zinc Picolinate?
At excessive doses: Acute: nausea, vomiting, diarrhea, Chronic: copper deficiency anemia, Immune suppression (ironically), HDL cholesterol reduction, Gastric irritation. Safety rating at normal doses is 8 out of 10.
What should you not take with Zinc Picolinate?
Separate it from Copper, Iron, Calcium High Dose by two to four hours. Zinc competes with copper for absorption
Does Zinc Picolinate interact with medications?
Documented interactions with antibiotics-quinolones, penicillamine, diuretics-thiazide. Discuss these with a pharmacist before combining.
How much Zinc Picolinate is too much?
The tolerable upper intake level is 40 mg per day for adults, per NIH ODS. Above that, the risk of adverse effects rises: Acute: nausea, vomiting, diarrhea, Chronic: copper deficiency anemia, Immune suppression (ironically).
How do you know if you need Zinc Picolinate?
The marker is Serum zinc or plasma zinc, optimal range 70-120 μg/dL (10.7-18.4 μmol/L). Common deficiency signs: Impaired immune function and frequent infections, Slow wound healing and poor tissue repair, Hair loss and skin problems, Loss of taste and smell.