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Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin vs NOW Foods Zinc Picolinate 50mg

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin and NOW Foods Zinc Picolinate 50mg.

Last verified: 07 Apr 2026 · Based on 76 reviews

81.0
Quick Answer

Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin scores 81.0/100 vs NOW Foods Zinc Picolinate 50mg at 79.0/100. Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin wins on value for money, side effects. NOW Foods Zinc Picolinate 50mg is stronger on effectiveness and ingredient quality.

Which is better: Igennus Clean Chelated Zinc... or NOW Foods Zinc Picolinate 50mg?

Igennus edges ahead (81 vs 79) thanks to its dual-chelate formula with copper included, making it safer for daily long-term use without risking copper depletion. The 50mg NOW Foods dose exceeds UK safe upper limits and causes nausea on an empty stomach, limiting its suitability for ongoing supplementation. Choose NOW Foods if you have a confirmed deficiency needing a short-term correction dose at a vegan-certified, ultra-clean 50mg.

— AIScored Editorial Team

How Do the Scores Compare?

Igennus Clean Chelated Zinc...
NOW Foods Zinc Picolinate 50mg
Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin
Igennus Clean Chelated Zinc...
Igennus Healthcare Nutrition
NOW Foods Zinc Picolinate 50mg
NOW Foods Zinc Picolinate 50mg
NOW Foods
Overall Score 81.0 79.0
Effectiveness 76.0/100 81.0/100
Best
Ingredient Quality 88.0/100 91.0/100
Best
Value for Money 83.0/100
Best
80.0/100
Side Effects 91.0/100
Best
62.0/100
Certifications 70.0/100 95.0/100
Best
Best Price £14.95 Amazon UK → £14.90 Amazon UK →
Cheapest
Price per Serving N/A £0.12 120 servings
Form ‎Tablet Capsules
Dose None 50mg (455% DV)
Third-Party Tested ✗ No ✓ Yes
Reviews Analysed 13 63

Igennus Clean Chelated Zinc Pico...

Pros

  • Highly tolerated — multiple reviewers explicitly note no nausea or stomach upset, even when taken on an empty stomach
  • Copper bisglycinate included at a balanced ratio, preventing zinc-induced copper depletion for safe long-term use
  • Dual chelated forms (picolinate + bisglycinate) offer superior absorption over cheaper gluconate or oxide forms
  • Clean, verifiable formula — no magnesium stearate, titanium dioxide, artificial colours, or fillers; UK GMP-manufactured

Cons

  • Not effective for all conditions — one reviewer saw no benefit for gastritis, and zinc's evidence for gut inflammation is limited
  • Effects take time to assess; short-term users (under 2–4 weeks) cannot judge efficacy reliably
  • Third-party testing not independently confirmed despite 'lab verified' marketing claim
  • Tablet form may not suit those preferring capsules or liquids

Best For

Athletes and high-stress individuals with elevated zinc turnover Post-surgical patients supporting wound healing People with zinc-responsive skin conditions (acne, HS, dermatitis) Anyone who has experienced nausea or GI upset with standard zinc supplements Long-term supplementers who need copper co-supplementation built in Vegan and halal/kosher dietary requirements
View full review →

NOW Foods Zinc Picolinate 50mg

Pros

  • Zinc picolinate is among the most bioavailable zinc forms (~61% absorption), well-absorbed even with low stomach acidity
  • Exceptionally clean formulation — only rice flour, HPMC (vegan) capsule, and vegetable stearic acid; no artificial fillers or allergens
  • Comprehensive certifications: GMP, Non-GMO Project Verified, Vegan, Kosher, and Halal — independently verified quality
  • Broad user-reported benefits: reduced acne, less hair loss, stronger nails, improved immunity, faster post-illness recovery

Cons

  • 50mg dose exceeds the UK and EU recommended safe upper limit (25mg) and the US tolerable upper intake level (40mg) — not appropriate for unrestricted daily use
  • Must be taken with food; multiple reviewers reported nausea, stomach discomfort, or dizziness when taken on an empty stomach
  • Chronic high-dose zinc supplementation can deplete copper levels — reviewers suggest pairing with copper or taking periodic breaks
  • Effects require 2–4 weeks to become noticeable; not a fast-acting supplement

Best For

People with confirmed zinc deficiency seeking a high-bioavailability correction dose Those using zinc seasonally for short-term immune support during cold and flu season Vegans and vegetarians who may have lower dietary zinc absorption and need a certified vegan formula Adults with acne-prone skin or experiencing hair loss linked to zinc insufficiency Users who plan to dose every other day or 3–4 times per week rather than daily
View full review →

What does the data say about Igennus Clean Chelated... vs NOW Foods Zinc Picolinate 50mg?

Both products use zinc picolinate as their primary form, which puts them ahead of cheaper oxide or gluconate supplements. The key difference is dose and formulation complexity. Igennus (£14.95, 81/100) blends picolinate with bisglycinate and includes copper bisglycinate — a thoughtful addition that prevents the copper depletion that long-term zinc supplementation can cause. It comes as tablets delivering 25mg, which sits comfortably within the UK safe upper limit. NOW Foods (£14.90, 79/100) goes a different direction: a single high-dose 50mg capsule with an impressively minimal formula — just rice flour and a vegan capsule shell. That simplicity earned it a higher ingredient quality score (91 vs 88), but the 50mg dose exceeds the UK recommended safe upper limit for daily use, which matters if you're planning to take it year-round.

Igennus suits anyone wanting a maintenance supplement they can take long-term without overthinking it. The copper inclusion and moderate dose make it genuinely safer for daily use, and reviewers consistently report no stomach upset even on an empty stomach — a real practical advantage. NOW Foods makes more sense for someone addressing a confirmed deficiency or wanting a short burst of immune support during winter; the higher dose works faster, but you'd want to cycle it rather than take it indefinitely. NOW's certifications (GMP, Non-GMO, Vegan, Kosher, Halal) also make it the clear pick for those with dietary or religious requirements.

Practically, if you struggle with large tablets, NOW's capsule may be easier to swallow, though the 50mg dose does demand food alongside it — nausea is a recurring complaint from those who ignored that. Igennus lacks independent third-party testing, while NOW Foods is verified, which gives the latter a slight edge for those who prioritise externally confirmed quality. Prices are virtually identical, so the decision really comes down to intent: long-term daily maintenance points to Igennus, short-term correction or vegan certification requirements point to NOW.

Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin Winner 81.0/100

Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex is a premium UK-manufactured zinc supplement that combines two highly bioavailable chelated forms (picolinate and bisglycinate) at 25mg elemental zinc, balanced with chelated copper to prevent long-term copper depletion.

Effectiveness
Igennus Clean Ch..
76.0/100
NOW Foods Zinc P..
81.0/100
Ingredient Quality
Igennus Clean Ch..
88.0/100
NOW Foods Zinc P..
91.0/100
Value for Money
Igennus Clean Ch..
83.0/100
NOW Foods Zinc P..
80.0/100
Side Effects
Igennus Clean Ch..
91.0/100
NOW Foods Zinc P..
62.0/100
Certifications
Igennus Clean Ch..
70.0/100
NOW Foods Zinc P..
95.0/100

What are the key differences?

Igennus Clean Chelated .. is best for: Athletes and high-stress individuals with elevated zinc turnover, Post-surgical patients supporting wound healing
NOW Foods Zinc Picolinate 50mg is best for: People with confirmed zinc deficiency seeking a high-bioavailability correction dose, Those using zinc seasonally for short-term immune support during cold and flu season

Frequently Asked Questions

Which is better, Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin or NOW Foods Zinc Picolinate 50mg?
Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin scores 81.0/100 overall while NOW Foods Zinc Picolinate 50mg scores 79.0/100. Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin comes out ahead, scoring higher on effectiveness (76.0 vs 81.0). Igennus Clean Chelated Zinc Pi is best suited for Athletes and high-stress individuals with elevated zinc turnover and Post-surgical patients supporting wound healing. NOW Foods Zinc Picolinate 50mg is better for People with confirmed zinc deficiency seeking a high-bioavailability correction dose and Those using zinc seasonally for short-term immune support during cold and flu season.
Is Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin worth the price compared to NOW Foods Zinc Picolinate 50mg?
Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin costs £14.95 while NOW Foods Zinc Picolinate 50mg is £14.90. For value, Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin scores 83.0/100 vs NOW Foods Zinc Picolinate 50mg's 80.0/100. Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin delivers better value relative to its quality. Note that Igennus Clean Chelat comes as ‎tablet while NOW Foods Zinc Picol is capsules, which may affect your preference.
Which has fewer side effects?
Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin scores 91.0/100 for side effects (higher means fewer reported issues) while NOW Foods Zinc Picolinate 50mg scores 62.0/100. Reviewers report fewer side effects with Igennus Clean Chelated Zinc Picolinate & Bisglycinate Complex 25mg with Copper, 6 Month Supply 180 Tablets, High Absorption & Lab Verified, Non-GMO, Supplement for Men & Women, Immune Support & Skin. For certification and testing, Igennus Clean Chelat scores 70.0/100 vs NOW Foods Zinc Picol's 95.0/100. Always consult a healthcare professional before starting any supplement.

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Disclaimer: AIScored provides data-driven comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.

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