Methylfolate (5-MTHF) vs Melatonin

Vitamin vs Sleep · evidence-backed comparison

Quick take
  • Melatonin has the broader effect profile across the 9 effect categories.
  • Melatonin is cheaper per serving ($0.05 vs $0.22).
  • Methylfolate (5-MTHF) has higher bioavailability (better absorption).

Side-by-side traits

TraitMethylfolate (5-MTHF)Melatonin
Category
VitaminSleep
Active compound
L-5-methyltetrahydrofolateN-acetyl-5-methoxytryptamine
Form available
Capsule, TabletCapsule, Tablet, Liquid, Gummy
Source
syntheticsynthetic
Typical dose
400–1000 mcg daily0.3–3 mg
Dose range
400–1000 mcg0.3–3 mg
Loading protocol
Best taken with
with food30–60 min before bed
Best time of day
morningevening
Bioavailability
How efficiently the body absorbs and utilizes the compound.
Very High (5/5)Moderate (3/5)
Onset time
Cumulative: 4–8 weeksAcute: 30–60 min
Half-life
~3 hours20–50 min
Evidence level
Quality and quantity of human research.
Strong (multiple RCTs / meta-analyses)Strong (multiple RCTs / meta-analyses)
Overall effect
Subjective effect magnitude.
Low (2/5)Moderate (3/5)
Muscle / strength
Very Low (1/5)Very Low (1/5)
Physical energy
Moderate (3/5)Very Low (1/5)
Focus / cognition
Moderate (3/5)Very Low (1/5)
Mood / stress
High (4/5)Low (2/5)
Sleep quality
Very Low (1/5)Very High (5/5)
Immunity
Low (2/5)Low (2/5)
Recovery
Post-exercise recovery support.
Very Low (1/5)Moderate (3/5)
Longevity / healthspan
Moderate (3/5)Moderate (3/5)
Safety rating
5 = exceptionally well-tolerated; 1 = significant risk profile.
High (4/5)High (4/5)
Price per serving
Approximate USD per typical daily dose.
$0.22$0.05
Vegan friendly
YesYes
Gluten free
YesYes
3rd-party tested
YesYes

About Methylfolate (5-MTHF)

Pre-methylated folate that bypasses MTHFR variants. Essential during pregnancy and for treatment-resistant depression with low folate.

Active compound: L-5-methyltetrahydrofolate
Forms: Capsule, Tablet
Onset: Cumulative: 4–8 weeks
moodMTHFRpregnancyhomocysteine

About Melatonin

Pineal-gland hormone that signals 'night-time' to the body. Most useful for jet lag and shifted sleep schedules; lower doses (0.3 mg) often work better than 5–10 mg.

Active compound: N-acetyl-5-methoxytryptamine
Forms: Capsule, Tablet, Liquid, Gummy
Onset: Acute: 30–60 min
sleep-onsetjet-lagcircadian

Methylfolate (5-MTHF) safety

Common side effects:

  • Anxiety / irritability (over-methylation)
  • Insomnia (PM use)

Avoid if:

  • Bipolar disorder

Drug interactions:

  • Methotrexate
  • Antiseizure meds

Melatonin safety

Common side effects:

  • Vivid dreams
  • Morning grogginess (high doses)
  • Headache

Avoid if:

  • Autoimmune disease
  • Pregnancy
  • Driving for hours after

Drug interactions:

  • Birth control
  • Anticoagulants
  • Antidepressants
  • Diabetes meds

Common uses

  • Pregnancy
  • MTHFR variants
  • Depression
  • Homocysteine

Stacks well with: Vitamin B12 (Methylcobalamin), Betaine Anhydrous

Common uses

  • Jet lag
  • Shift work
  • Sleep onset
  • Circadian rhythm

Stacks well with: Magnesium Glycinate, Glycine

Medical disclaimer

SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements — especially if you are pregnant, breastfeeding, take prescription medication, or have a chronic condition.