3. Pure Encapsulations OptiFerin-C Capsules
Best with vitamin C
- Form: capsule
- Dose: 1 capsule per day
- Number of servings: 60 per container
Healthline’s review
Pure Encapsulations OptiFerin-C contains 28 mg of iron bisglycinate, plus it has 100 mg of vitamin C, which may help improve absorption.
The supplement is:
- kosher
- vegan-friendly
- free of gluten, soy, and dairy
Pure Encapsulations products are produced in a CGMP-certified facility and are tested by third-party laboratories.
Pros & cons
- high quality standards
- contains vitamin C
- third-party tested
- certified gluten-free
- non-GMO verified
- vegan
- may be difficult to find at local stores
Product details
- Active ingredient(s) (serving strength): vitamin C 100mg (111% DV), calcium 11mg (1% DV), iron bisglycinate 28mg (165% DV)
- Certifications: certified gluten-free
4. MegaFood Blood Builder Capsules
Best vegan
- Form: tablet
- Dose: 1 tablet per day
- Number of servings: 30 per container
Healthline’s review
MegaFood Blood Builder provides 26 mg of iron in the form of iron bisglycinate, as well as 15 mg of vitamin C for improved absorption.
It also offers folate and B12, both of which are important for maintaining healthy blood cells.
MegaFood Blood Builder is certified vegan and non-GMO. The supplement is also tested for over 125 pesticides in MegaFoods in-house laboratory.
MegaFood supplements hold third-party certifications, including Certified B Corporation, Certified Glyphosate Residue Free.
However, they are not third-party tested for quality or potency.
Pros & cons
- NSF-certified gluten-free
- non-GMO verified
- certified vegan
- third party-verified glyphosate residue-free
- expensive
- not third-party tested for accuracy
Product details
- Active ingredient(s) (serving strength): vitamin C 15 mg (17% DV), folic acid 680 mcg (170% DV), vitamin B12 30 mcg (1250% DV), iron bisglycinate 26mg (144% DV)
- Certifications: certified gluten-free, certified vegan, glyphosate residue-free