how effective is this iron on raising ferritin levels?

Very! I just found out that in increased my ferritin levels from 18 (Sept) to 40 (Jan). I was so happy!!! Will definitely continue. Nothing else was helping, I was even considering iron infusions already. So so happy.

What salt form(s) of iron are in this product? What are the amounts of salt form and elemental iron: 520mg and 26mg respectively, or other?

There are 26 mg of elemental iron in each Blood Builder tablet. The iron in this product is in a FoodState form, meaning that it is in the complex form in which iron occurs in food. The food source MegaFood uses to deliver iron is the whole food nutritional yeast Saccharomyces cerevisiae. The 520 mg refers to the weight of S. cerevisiae included in the tablet to deliver the 26 mg of iron.

Which specific kind of iron does this contain? FERROUS sulfate or iron bisglycinate? And it the vitamin CHELATED?

RE: dean's answer: The question asks what form of iron (which is a mineral) does this contain. Cyanocobalamin is a form of a vitamin - vitamin B12 , not iron.

How long does it take for them to start to work ?

To the person who stated they didn't feel anything, did you get your bloodwork tested? Don't rely on feelings! Get your iron level tested when you start this and then get it tested about 1 month after. Your actual blood work will tell whether or not your iron levels are up. Remember, if you take other things, like coffee, that will affect how you "feel", so you need to go by actual tests to determine if your iron levels increase.

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MegaFood, Blood Builder（ブラッドビルダー）、30粒 | 副作用なく鉄分レベルを上げるエネルギーレベルアップ B12 葉酸とビタミンC 吸収用 30回分

Product ID: 725462306

Details

ブランド
Mega Food
プライマリサプリメントタイプ
鉄
ユニット数
1 個
商品の個数
1
商品の形状
タブレット
商品の重量
0.29 ポンド

🌱Vegan & Non-GMO certified purity

💪Clinically proven no digestive side effects

🩸26mg highly absorbable iron per tablet

€ 61.07

Duties & taxes included

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🩸 Elevate your energy with clean, clinical iron power!

VEGAN CLEAN FORMULA - Certified vegan, Non-GMO Project verified, gluten-free, and free from common allergens—pure wellness you can trust.
TRUSTED QUALITY SAFETY - Tested against 150+ contaminants, made in GMP-certified facilities for uncompromising quality.
POWER PACKED NUTRIENT BLEND - 26mg of bisglycinate iron plus vitamin C, folate, and B12 for superior absorption and red blood cell support.
CLINICALLY PROVEN IRON BOOST - Clinically tested to raise iron levels without nausea or constipation—feel energized, not weighed down.
FLEXIBLE CONVENIENT DOSING - Take anytime, with or without food—perfect for busy professionals on the go.

MegaFood Blood Builder is a premium vegan iron supplement delivering 26mg of highly absorbable bisglycinate iron per tablet, clinically proven to increase iron levels without digestive discomfort. Enhanced with vitamin C, folate, and B12, it supports red blood cell production and energy metabolism. Non-GMO Project verified, allergen-free, and made in GMP-certified facilities, it fits seamlessly into any wellness routine for professionals seeking clean, effective iron support.

Specifications

ASIN	B00014ECYU
ASIN	B00014ECYU
Amazon 売れ筋ランキング	ドラッグストア - 182,002位 ( ドラッグストアの売れ筋ランキングを見る ) 鉄分サプリメント - 350位
GTIN (Global Trade Identification Number)	00051494101704
UPC	051494101704
おすすめ度	4.6 5つ星のうち4.6 (9,481) var
お客様の年齢層	全年齢
アレルギー表示	小麦不使用
カスタマーレビュー	4.6 5つ星のうち4.6 (9,481) var dpAcrHasRegisteredArcLinkClickAction; P.when('A', 'ready').execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( 'acrLink-click-metrics', 'click', { "allowLinkDefault": true }, function (event) { if (window.ue) { ue.count("acrLinkClickCount", (ue.count("acrLinkClickCount") \|\| 0) + 1); } } ); …
フレーバー	アンフレーバー
ブランド名	Mega Food
メーカー	MegaFood
メーカーにより製造中止になりました	いいえ
メーカー名	MegaFood
メーカー型番	10170
ユニット数	1 個
主要なサプリメントの種類	鉄
商品の入り数	1
商品の利点	オーガニック
商品の形状	タブレット
商品の重量	0.29 ポンド
商品モデル番号	10170
型番	10170
製品サイズ	5.08 x 5.08 x 5.08 cm; 131.54 g
防カビ加工	グルテンフリー
食習慣タイプ	ビーガン

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€ 61.07

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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MegaFood, Blood Builder（ブラッドビルダー）、30粒 | 副作用なく鉄分レベルを上げる エネルギーレベルアップ B12 葉酸とビタミンC 吸収用 30回分

Details

Details

Description

Specifications

Common Questions

MegaFood, Blood Builder（ブラッドビルダー）、30粒 | 副作用なく鉄分レベルを上げるエネルギーレベルアップ B12 葉酸とビタミンC 吸収用 30回分