Reference label
L-Tryptophan 500 mg
Life Extension
Historical reference label versions, not unique products or current retailer inventory. The reference snapshot has label entries through September 25, 2025. Detailed source labels are available for a subset.
Reference entry date: 2025-04-24 · Source market flag: on-market (historical reference status, not current stock)
Package and serving basis
- order
- 1
- quantity
- 90
- unit
- Vegetarian Capsule(s)
- display
- 90 Vegetarian Capsule(s)
- order
- 1
- minQuantity
- 1
- maxQuantity
- 1
- minDailyServings
- 1
- maxDailyServings
- 1
- unit
- Vegetarian Capsule(s)
- notes
- Not disclosed
- inSFB
- true
Indexed ingredient names
- L-Tryptophan
Original declared quantities
Quantities retain original units, operators, serving bases and nesting. Missing values are not zero; parent totals and components can overlap.
- L-Tryptophan
- servingSizeOrder
- 1
- servingSizeQuantity
- 1
- operator
- =
- quantity
- 500
- unit
- mg
- dailyValueTargetGroup
- name
- Adults and children 4 or more years of age
- operator
- Not disclosed
- percent
- Not disclosed
- footnote
- Daily Value not established
- servingSizeUnit
- Vegetarian Capsule(s)
Other ingredients
- text
- Not disclosed
- ingredients
- order
- 1
- ingredientId
- 284496
- name
- Cellulose
- category
- fiber
- ingredientGroup
- Cellulose
- uniiCode
- SMD1X3XO9M
- alternateNames
- No entries in captured source
- forms
- No entries in captured source
- order
- 2
- ingredientId
- 286938
- name
- Microcrystalline Cellulose
- category
- other
- ingredientGroup
- Cellulose
- uniiCode
- OP1R32D61U
- alternateNames
- No entries in captured source
- forms
- No entries in captured source
- order
- 3
- ingredientId
- 299439
- name
- Carboxymethyl Cellulose
- category
- other
- ingredientGroup
- Carboxy Methyl Cellulose
- uniiCode
- 05JZI7B19X
- alternateNames
- No entries in captured source
- forms
- No entries in captured source
- order
- 4
- ingredientId
- 285558
- name
- Stearic Acid
- category
- fatty acid
- ingredientGroup
- Stearic Acid
- uniiCode
- 4ELV7Z65AP
- alternateNames
- C18:0
- forms
- No entries in captured source
Amount normalization notes (1 rows)
Original quantities remain authoritative. Conversions follow recorded rules, not equal activity or bioavailability. Nested components may overlap with parent totals.
- name_original_en
- L-Tryptophan
- quantity_original
- servingSizeOrder
- 1
- servingSizeQuantity
- 1
- operator
- =
- quantity
- 500
- unit
- mg
- dailyValueTargetGroup
- name
- Adults and children 4 or more years of age
- operator
- Not disclosed
- percent
- Not disclosed
- footnote
- Daily Value not established
- servingSizeUnit
- Vegetarian Capsule(s)
- normalized_amount
- 500
- normalized_unit
- mg
- amount_operator
- =
- normalization_status
- normalized
- normalization_rule
- mass_to_mg
- per_item_amount
- 500
- per_item_unit
- mg
- quality_flags
- No entries in captured source
- parent_row_id
- Not disclosed
- notes_original_en
- Not disclosed