California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules vs Solgar, Gentle Iron, 25 mg, 180 Capsules
California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules (#1, best overall) vs Solgar, Gentle Iron, 25 mg, 180 Capsules (#3): in our Gentle Iron Supplements scoring the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules totals 8.9/10 and the Solgar,…
We may earn a commission when you buy through our links. Prices and availability shown are accurate as of Aug 5, 2026 and are subject to change; the merchant's price at purchase applies.

California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules
$8.02Check price at iHerbRead full reviewTopsFive comparison scores
Side by side
| California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules | Solgar, Gentle Iron, 25 mg, 180 Capsules | |
|---|---|---|
| Price | $8.02 | — |
| Iron Form | Ferrous bisglycinate chelate | Iron bisglycinate chelate |
| Elemental Iron | 36 mg | 25 mg |
| Vitamin C | None | None |
| Serving Size | 1 capsule | 1 vegetable capsule |
| Servings Per Container | 90 | 180 |
| Other Active Ingredients | None | None |
| Other Ingredients | Rice flour, hypromellose capsule, rice hulls, rice bran extract | Microcrystalline cellulose, vegetable cellulose, vegetable magnesium stearate |
| Testing / Certification | Product-specific iTested certificate linked by iHerb | Certified Gluten Free; Kosher Parve; no listed product-specific potency certification |
How they differ in real use
Built from our gentle iron supplements scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules and the Solgar, Gentle Iron, 25 mg, 180 Capsules made our Top 5 Gentle Iron Supplements, at #1 (best overall) and #3. It narrowly takes first because it combines a product-specific iTested certificate with the best active-ingredient value and a fully disclosed bisglycinate dose. Its 10,000+ recent sales also support buyer trust, but certification, form and value drive the rank. Among the uncertified options, its short excipient list, research-aligned dose and strong bottle value produce the best weighted score. Its roughly 47,000 reviews and 3,000+ recent sales also win the close popularity tiebreaker.
We score gentle iron supplements on Third-Party Testing (30%), Form & Bioavailability (25%), Dose vs Research (20%), Label Transparency (15%) and Value (10%). On that basis the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules totals 8.9 out of 10 and the Solgar, Gentle Iron, 25 mg, 180 Capsules 6.9. The widest gap is Third-Party Testing, where the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules scores 9 against 2 for the Solgar, Gentle Iron, 25 mg, 180 Capsules — independent certification or a published certificate of analysis. Dose vs Research also separates them: 9 for the Solgar, Gentle Iron, 25 mg, 180 Capsules versus 8 for the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules.
On paper, the specifications that actually differ: Iron Form — Ferrous bisglycinate chelate on the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules versus Iron bisglycinate chelate on the Solgar, Gentle Iron, 25 mg, 180 Capsules; Elemental Iron — 36 mg on the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules versus 25 mg on the Solgar, Gentle Iron, 25 mg, 180 Capsules; Serving Size — 1 capsule on the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules versus 1 vegetable capsule on the Solgar, Gentle Iron, 25 mg, 180 Capsules; Servings Per Container — 90 on the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules versus 180 on the Solgar, Gentle Iron, 25 mg, 180 Capsules; Other Ingredients — Rice flour, hypromellose capsule, rice hulls, rice bran extract on the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules versus Microcrystalline cellulose, vegetable cellulose, vegetable magnesium stearate on the Solgar, Gentle Iron, 25 mg, 180 Capsules; Testing / Certification — Product-specific iTested certificate linked by iHerb on the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules versus Certified Gluten Free; Kosher Parve; no listed product-specific potency certification on the Solgar, Gentle Iron, 25 mg, 180 Capsules. They match on Vitamin C and Other Active Ingredients.
The California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules lists at $8.02; the Solgar, Gentle Iron, 25 mg, 180 Capsules's current price is on the merchant page. Owners praise the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules for 36 mg elemental iron as ferrous bisglycinate chelate per capsule and the iHerb page links a product-specific iTested certificate; the most common complaint is no vitamin C appears on the Supplement Facts panel. Owners praise the Solgar, Gentle Iron, 25 mg, 180 Capsules for 25 mg elemental iron as bisglycinate matches the cited randomized pregnancy-trial dose and 180 one-capsule servings at about $0.09 each; the most common complaint is no vitamin C appears on the Supplement Facts panel.
California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules
- 36 mg elemental iron as ferrous bisglycinate chelate per capsule
- The iHerb page links a product-specific iTested certificate
- $8.02 for 90 servings, about $0.0025 per mg of elemental iron
- No vitamin C appears on the Supplement Facts panel
- The 36 mg serving is higher than the 25 mg bisglycinate dose used in the cited pregnancy trial
Solgar, Gentle Iron, 25 mg, 180 Capsules
- 25 mg elemental iron as bisglycinate matches the cited randomized pregnancy-trial dose
- 180 one-capsule servings at about $0.09 each
- Label lists Certified Gluten Free, vegan and Kosher Parve attributes
- No vitamin C appears on the Supplement Facts panel
- No USP, NSF or public product-specific certificate of analysis is shown on the iHerb page
Which should you buy?
The California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules is the better fit for buyers prioritizing the lowest cost per mg of elemental iron and buyers wanting a public product-specific test document — it is the higher-scoring pick here, chiefly for Third-Party Testing and Value. The Solgar, Gentle Iron, 25 mg, 180 Capsules is the better fit for buyers wanting a 180-serving bottle and vegan buyers seeking certified gluten-free and kosher labeling, and the stronger choice if Dose vs Research matters more to you than the overall score. The California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules is a poor fit for buyers specifically wanting vitamin C in the same capsule; the Solgar, Gentle Iron, 25 mg, 180 Capsules is a poor fit for buyers requiring USP or NSF product certification.
Choose the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules if
- Buyers prioritizing the lowest cost per mg of elemental iron
- Buyers wanting a public product-specific test document
Skip it if
- Buyers specifically wanting vitamin C in the same capsule
- Anyone whose clinician recommends a lower elemental-iron dose
Choose the Solgar, Gentle Iron, 25 mg, 180 Capsules if
- Buyers wanting a 180-serving bottle
- Vegan buyers seeking certified gluten-free and kosher labeling
Skip it if
- Buyers requiring USP or NSF product certification
- Buyers wanting vitamin C in the same capsule
Common questions
Is the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules better than the Solgar, Gentle Iron, 25 mg, 180 Capsules?
In our Gentle Iron Supplements ranking the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules scores higher overall, 8.9 to 6.9, with the biggest advantage in Third-Party Testing. The Solgar, Gentle Iron, 25 mg, 180 Capsules is stronger on Dose vs Research, so it is the better pick if that matters most to you.
What is the main difference between the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules and the Solgar, Gentle Iron, 25 mg, 180 Capsules?
The headline spec difference is Iron Form: Ferrous bisglycinate chelate on the California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules versus Iron bisglycinate chelate on the Solgar, Gentle Iron, 25 mg, 180 Capsules. In use, the gap that matters most is Third-Party Testing (9 vs 2 in our scoring): independent certification or a published certificate of analysis.
