Algae Omega-3 vs Glycine

Omega / Fatty Acid vs Sleep · evidence-backed comparison

Quick take
  • Algae Omega-3 has the broader effect profile across the 9 effect categories.
  • Glycine is cheaper per serving ($0.10 vs $0.75).
  • Glycine has higher bioavailability (better absorption).

Side-by-side traits

TraitAlgae Omega-3Glycine
Category
Omega / Fatty AcidSleep
Active compound
DHA + EPA from Schizochytrium algaeGlycine
Form available
Softgel, Liquid, CapsulePowder, Capsule
Source
marinesynthetic
Typical dose
500–1000 mg combined EPA+DHA3 g before bed
Dose range
500–1000 mg3–5 g
Loading protocol
Best taken with
fat-containing mealwater, 30 min before bed
Best time of day
anyevening
Bioavailability
How efficiently the body absorbs and utilizes the compound.
High (4/5)Very High (5/5)
Onset time
Cumulative: 4–12 weeksAcute: 30–60 min
Half-life
~1 hour
Evidence level
Quality and quantity of human research.
Moderate (some RCTs)Moderate (some RCTs)
Overall effect
Subjective effect magnitude.
Moderate (3/5)Low (2/5)
Muscle / strength
Low (2/5)Low (2/5)
Physical energy
Low (2/5)Very Low (1/5)
Focus / cognition
Moderate (3/5)Low (2/5)
Mood / stress
Moderate (3/5)Moderate (3/5)
Sleep quality
Low (2/5)High (4/5)
Immunity
Low (2/5)Very Low (1/5)
Recovery
Post-exercise recovery support.
Moderate (3/5)Low (2/5)
Longevity / healthspan
High (4/5)Moderate (3/5)
Safety rating
5 = exceptionally well-tolerated; 1 = significant risk profile.
Very High (5/5)Very High (5/5)
Price per serving
Approximate USD per typical daily dose.
$0.75$0.10
Vegan friendly
YesYes
Gluten free
YesYes
3rd-party tested
YesYes

About Algae Omega-3

Direct vegan source of DHA (and increasingly EPA). Bypasses ALA-to-DHA conversion, which is poor in most adults.

Active compound: DHA + EPA from Schizochytrium algae
Forms: Softgel, Liquid, Capsule
Onset: Cumulative: 4–12 weeks
veganDHAbrainheart

About Glycine

Sweet-tasting amino that lowers core body temperature for deeper sleep. Cheap, well-tolerated, and especially useful with magnesium glycinate.

Active compound: Glycine
Forms: Powder, Capsule
Onset: Acute: 30–60 min
sleep-qualitydeep-sleepamino-acidthermal-regulation

Algae Omega-3 safety

Common side effects:

  • Generally none

Avoid if:

  • Bleeding disorders

Drug interactions:

  • Anticoagulants

Glycine safety

Common side effects:

  • Generally none

Avoid if:

  • Clozapine therapy

Drug interactions:

  • Clozapine

Common uses

  • Vegan omega-3
  • Pregnancy
  • Brain health

Stacks well with: Vitamin D3

Common uses

  • Deep sleep
  • Sleep quality
  • Collagen synthesis

Stacks well with: Magnesium Glycinate, Melatonin

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.