Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules vs Active Iron for Men 30 Capsules + 30 Tablets

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules and Active Iron for Men 30 Capsules + 30 Tablets.

Last verified: 07 Apr 2026 · Based on 65 reviews

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82.0

Quick Answer

Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules scores 82.0/100 vs Active Iron for Men 30 Capsules + 30 Tablets at 70.0/100. Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules wins on effectiveness, ingredient quality, value for money.

How Do the Scores Compare?

Gentle Iron (Iron Bisglycin...

Active Iron for Men 30 Caps...

	Gentle Iron (Iron Bisglycin... Solgar	Active Iron for Men 30 Caps... Active Iron
Overall Score	82.0	70.0
Effectiveness	80.0/100 Best	70.0/100
Ingredient Quality	90.0/100 Best	70.0/100
Value for Money	76.0/100 Best	70.0/100
Side Effects	92.0/100 Best	80.0/100
Certifications	72.0/100 Best	40.0/100
Best Price	£18.84 Amazon UK → Cheapest	£22.99 Holland & Barrett →
Form	Capsules	None
Dose	None	None
Third-Party Tested	✗ No	✗ No
Reviews Analysed	62	3

Gentle Iron (Iron Bisglycinate) ...

Pros

✓Iron bisglycinate form is exceptionally gentle — virtually no constipation or GI irritation across the large majority of reviewers
✓Multiple users confirm measurable ferritin and haemoglobin improvements via blood tests
✓Widely reported improvements in energy levels, reduced fatigue, and better hair condition
✓Certified vegan, Kosher Parve, Halal, Non-GMO, gluten-free, and dairy-free — suitable for restricted diets

Cons

✗20mg dose is conservative and may be insufficient for severe iron deficiency without taking 2–4 capsules daily, which increases cost significantly
✗Not third-party tested for purity or label accuracy
✗Requires avoiding calcium-rich foods or supplements near dosing time and ideally co-administration with vitamin C — some find this inconvenient
✗Isolated reports of digestive upset, suggesting individual tolerance still varies

Best For

Vegetarians and vegans with insufficient dietary iron intake Women with heavy periods or ongoing menstrual iron loss Pregnant or postpartum women needing a gut-friendly iron source People who have previously experienced GI side effects from standard iron supplements Those with IBS, SIBO, Hashimoto's, or other conditions requiring a highly tolerable iron form Maintenance supplementation after recovering from diagnosed iron deficiency

Amazon UK £18.84 Holland & Barrett £20.92

View full review →

Active Iron for Men 30 Capsules ...

Pros

✓Non-constipating iron formulation (ferrous bisglycinate) – addresses major complaint with standard iron supplements
✓Targeted B-complex combination for energy yielding metabolism and mental performance
✓Positive user feedback on noticeable effects within 1 week of consistent use
✓Convenient dual-format delivery (capsules + tablets) for flexibility

Cons

✗Very limited review volume (only 3 reviews) – insufficient data for robust conclusions
✗Not third-party tested or certified – no independent verification of potency or purity
✗Not vegan – excludes plant-based consumers
✗Gender-specific marketing may limit appeal; iron needs are individual and not inherently sex-dependent

Best For

Men with low energy or fatigue seeking iron + B-complex support Those sensitive to constipation from standard iron supplements Busy professionals wanting convenient multi-nutrient support Men concerned with cognitive function and immune support

Holland & Barrett £22.99

View full review →

What does the data say about Gentle Iron (Iron Bisg... vs Active Iron for Men 30...?

Gentle Iron Iron Bisglycinate from Solgar beats Active Iron for Men with an overall score of 82.0/100 against 70.0/100. The two products differ sharply in formula and format. Gentle Iron uses iron bisglycinate at 20mg per capsule in a pack of 180 vegetable capsules with no added nutrients. Active Iron for Men pairs ferrous bisglycinate with a B-complex in a 30-capsule plus 30-tablet bundle. Solgar scores higher on effectiveness at 80.0/100 and ingredient quality at 90.0/100 while Active Iron sits at 70.0/100 across those measures.

Users who need a simple iron top-up and want to avoid stomach trouble should pick Gentle Iron Iron Bisglycinate. It suits vegetarians and vegans with low dietary iron plus anyone with heavy periods or those who are pregnant or postpartum. The formula shows strong results in blood tests for ferritin and haemoglobin plus better energy and hair condition for most people. Active Iron for Men fits those after iron plus B-complex support for energy metabolism who also want to dodge constipation. Its smaller pack costs more at £22.99 compared with Solgar at £18.84 so it appeals to people who prefer a combined product and can accept fewer reviews to judge it by.

Practical points matter too. Both stay gentle on the gut according to feedback. Solgar capsules come in a vegetable form that many find easy to swallow daily. Active Iron splits its dose across capsules and tablets which some find less convenient for travel or routines. The 20mg iron in Solgar often needs two to four capsules for higher needs which pushes the price up. Limited reviews on Active Iron make it harder to predict consistent outcomes.

Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules Winner 82.0/100

Solgar Gentle Iron is an iron bisglycinate supplement that stands out primarily for its exceptional gastrointestinal tolerability, with the vast majority of 62 reviewers across Amazon, Holland & Barrett, and iHerb explicitly contrasting it favourably against conventional iron supplements that caused constipation or nausea.

Effectiveness

Gentle Iron (Iro..

80.0/100

Active Iron for ..

70.0/100

Ingredient Quality

Gentle Iron (Iro..

90.0/100

Active Iron for ..

70.0/100

Value for Money

Gentle Iron (Iro..

76.0/100

Active Iron for ..

70.0/100

Side Effects

Gentle Iron (Iro..

92.0/100

Active Iron for ..

80.0/100

Certifications

Gentle Iron (Iro..

72.0/100

Active Iron for ..

40.0/100

What are the key differences?

Gentle Iron (Iron Bisgl.. is best for: Vegetarians and vegans with insufficient dietary iron intake, Women with heavy periods or ongoing menstrual iron loss

Active Iron for Men 30 .. is best for: Men with low energy or fatigue seeking iron + B-complex support, Those sensitive to constipation from standard iron supplements

Frequently Asked Questions

Which is better, Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules or Active Iron for Men 30 Capsules + 30 Tablets? ▼

Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules scores 82.0/100 overall while Active Iron for Men 30 Capsules + 30 Tablets scores 70.0/100. Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules comes out ahead, scoring higher on effectiveness (80.0 vs 70.0). Gentle Iron (Iron Bisglycinate is best suited for Vegetarians and vegans with insufficient dietary iron intake and Women with heavy periods or ongoing menstrual iron loss. Active Iron for Men 30 Capsule is better for Men with low energy or fatigue seeking iron + B-complex support and Those sensitive to constipation from standard iron supplements.

Is Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules worth the price compared to Active Iron for Men 30 Capsules + 30 Tablets? ▼

Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules costs £18.84 while Active Iron for Men 30 Capsules + 30 Tablets is £22.99. For value, Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules scores 76.0/100 vs Active Iron for Men 30 Capsules + 30 Tablets's 70.0/100. Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules delivers better value relative to its quality.

Which has fewer side effects? ▼

Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules scores 92.0/100 for side effects (higher means fewer reported issues) while Active Iron for Men 30 Capsules + 30 Tablets scores 80.0/100. Reviewers report fewer side effects with Gentle Iron (Iron Bisglycinate) 20mg Vegetable 180 Capsules. For certification and testing, Gentle Iron (Iron Bi scores 72.0/100 vs Active Iron for Men 's 40.0/100. Always consult a healthcare professional before starting any supplement.