SO, is it from horses or cows, and what country are these animals in and what is the processing to get this supplement? what are the animals fed?

I do not know the answers to those very good questions. I believe the patient should ask their doctor if taking Ferritin itself will increase serum Ferritin levels. Usually, one takes an iron supplement and that will lead to an increase in Ferritin which represent your body's stores of iron. If the patient is looking for relief of RLS...Restless Legs Syndrome...43% of RLS is caused by low Ferritin levels in the brain. Dr. Holder

I wouldn't think so being from bovine spleen

What is the difference between cr bioavailable ferritin and just cr ferritin?

In the small print it says bioavailable iron. I have low ferritin. I took this for one month. It did not raise my ferritin level. I am relatively certain it would be a good iron supplement. And you need iron for your body to make ferritin. Not so sure your body can absorb ferritin orally and not so sure this product contains Ferritin even though that is the name just like Half&Half is not 50/50 cream and milk. I believe this is an iron supplement.

Is stated in the product description on website: is a 5 mg iron supplement naturally isolated from bovine spleen. This scientifically-designed formula is free of corn, soy, yeast and wheat.

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Ferritin Bioavailable Iron 5 mg 60 Caps by Cardiovascular Research

Ferritin Bioavailable Iron 5 mg 60 Caps by Cardiovascular Research

Product ID: 731993673

Details

Brand
Research
Diet Type
Gluten Free
Flavor
Unflavored
Item Form
Capsule
Item Weight
0.01 Ounces
Material Type Free
Soy-free and

🌱Gluten & allergen-free formula

💊60 easy-to-swallow capsules

🧬5 mg bioavailable iron/capsule

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Description

💪 Elevate your energy & wellness with every capsule—don’t miss out on lasting iron support!

TRUSTED QUALITY - Backed by Cardiovascular Research with 4.6-star user approval
DAILY CONVENIENCE - One capsule a day keeps fatigue and hair loss at bay
CLEAN PURE FORMULA - Free from gluten, soy, wheat, and corn—ideal for sensitive diets
SUSTAINED IRON SUPPORT - Build and maintain iron stores for long-term vitality
MAXIMUM ABSORPTION IRON - Clinically designed ferritin iron for superior bioavailability

Cardiovascular Research Ferritin Bioavailable Iron delivers 5 mg of highly absorbable iron per capsule in a clean, allergen-free formula. Designed for adults seeking effective, long-term iron maintenance, this 60-capsule pack supports energy, reduces fatigue, and promotes healthy hair. Trusted by thousands with a 4.6-star rating, it’s the smart choice for professional wellness routines.

Specifications

ASIN	B003NE4BKU
ASIN	B003NE4BKU
Age Range Description	大人
Brand Name	Cardiovascular Research
Customer Reviews	4.6 4.6 out of 5 stars (365)
Diet Type	Gluten Free
Flavor	Unflavored
Is Discontinued By Manufacturer	No
Item Form	Capsule
Item Weight	0.01 Ounces
Item model number	EC0100
Manufacturer	Cardiovascular Research
Manufacturer	Cardiovascular Research
Manufacturer Part Number	EC0100
Material Type Free	Soy-free, wheat-free, corn-free, and gluten free
Model Number	EC0100
Number of Items	1
Primary Supplement Type	Iron
Product Benefits	Iron Support
Product Dimensions	5.08 x 5.08 x 10.16 cm; 0.28 g
UPC	087614992310
Unit Count	1 Count

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In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

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