KIRKLAND
Timed Release B100 Complex
85/100
SUPPIE SCORE
78/100
EFFICACY
High
SAFETY
86/100
CLEANLINESS
What Does Timed Release B100 Complex Do?
Kirkland Timed Release B100 Complex supplies 100 mg of most B vitamins plus 500 mcg methylcobalamin and 100 mg each of choline and inositol in a one-per-day timed-release tablet, supporting nutrient metabolism with well-researched forms at doses commonly.
How does the timed-release technology in this B100 complex affect absorption compared to immediate-release B vitamins?
Is the 500 mcg dose of methylcobalamin sufficient for someone with low B12 levels?
What should I consider before combining this with a multivitamin or other B-complex supplements?
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What Are the Benefits of Timed Release B100 Complex?
Based on proven scientific research
Energy MetabolismStrong
Nervous System SupportModerate
Red Blood Cell FormationModerate
Hair Skin NailsMild
Good For:
What Are the Side Effects of KIRKLAND Timed Release B100 Complex?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•B vitamins are water-soluble with excess typically excreted in urine; doses here align with standard therapeutic ranges for adults.
•Methylcobalamin 500 mcg and folic acid 1000 mcg per tablet pose low risk for most but high folic acid may mask B12 deficiency if undiagnosed.
•Timed-release matrix may reduce peak plasma levels compared to immediate-release forms.
•No major drug interactions expected at these levels, though B6 at 100 mg daily long-term warrants monitoring for rare neuropathy risk.
•Product is free of gluten, lactose, artificial colors, flavors, preservatives, and common allergens per label.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Microcrystalline cellulose
Low RiskDibasic calcium phosphate dihydrate
Low RiskHydroxypropyl methylcellulose
Low RiskCarbohydrate gum
Low RiskVegetable glycerin
Low RiskPalm and palm kernel oils
Low RiskVegetable grade magnesium stearate
Low RiskWhat Are the Ingredients in KIRKLAND Timed Release B100 Complex?
Vitamin B1 (Thiamine Mononitrate)
100 mg
Vitamin B2 (Riboflavin)
100 mg
Vitamin B3 (Niacinamide)
100 mg
Vitamin B5 (Pantothenic Acid as calcium d-pantothenate)
100 mg
Vitamin B6 (Pyridoxine Hydrochloride)
100 mg
Vitamin B9 (Folic Acid)
1000 mcg
Vitamin B12 (Methylcobalamin)
500 mcg
Biotin
100 mcg
Choline (as Choline Bitartrate)
100 mg
Inositol
100 mg
Microcrystalline cellulose
Dibasic calcium phosphate dihydrate
Hydroxypropyl methylcellulose
Carbohydrate gum
Vegetable glycerin
Palm and palm kernel oils
Vegetable grade magnesium stearate
Dosage & Bioavailability
How the active doses and forms in Timed Release B100 Complex compare to the research.
•Vitamin B12 (Methylcobalamin) — 500 mcg per tablet; higher than typical 2.4 mcg RDA but within ranges studied for maintenance in older adults and vegetarians.
•Vitamin B12 (Methylcobalamin) — 500 mcg per tablet; active coenzyme form with superior bioavailability versus cyanocobalamin in some populations.
•B-vitamins (thiamine, riboflavin, niacinamide, pantothenate, pyridoxine, folic acid) — 100 mg or 1000 mcg per tablet; standard therapeutic strengths with good absorption.
Sources & References
Frequently Asked Questions
Common questions about KIRKLAND Timed Release B100 Complex