ASL Hormone Support Capsules 60 Servings - Letrosterone | Svpplements

ASL

ASL | Letro-XT | 60 Tablets

Patented anti-estrogen support with clinical-entry DIM and stress control

$49.99 $0.83/serving
0

SuppVault Score

Solid — clinically credible

ASL | Letro-XT | 60 Tablets

Six dimensions, weighted by category. Each is scored 0–10 from the supplement-facts panel data and the 2,607-ingredient knowledge base.

  • Clinical Dosing 5/10
  • Label Transparency 5/10
  • Manufacturing 4/10
  • Testing 3/10
  • Inactive Ingredients 9/10
  • Value 7/10
See the full algorithm → Read methodology

Scores are deterministic — same label in, same score out. Proprietary blends naturally score lower on transparency by design, not as a penalty.

Score reflects incomplete data — label not yet scanned. Not a quality judgment.

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60mg Letrosterone™
100mg Diindolylmethane (DIM)
150mg Holy Basil
100mg Phosphatidylserine
✓ Label Verified✓ DSHEA Compliant
60mg Letrosterone™ patented support
100mg DIM clinical-entry dose
150mg Holy Basil stress support
100mg Phosphatidylserine cortisol support
Stim-free daily hormone formula
Disclosed active ingredient doses
Product Intelligence
Featuring: Letrosterone® by Anabolic Science Labs
⚠️ Contains proprietary blend (2 ingredients)
1. 3b-hydroxy-androsta-1,4,6-triene-17-one2. 3b-hydroxy-androsta-4, 6-diene-17-one
SuppVault Summary

Targeted hormone-support formula with 60mg Letrosterone™ and 100mg DIM. Built to support estrogen balance, stress resilience, and a more controlled recovery environment without stimulants.

Great Fit

  • Experienced lifters wanting estrogen-focused support
  • Physique athletes in recomp phases
  • Post-cycle support users
  • High-stress lifters managing recovery
  • Evening users avoiding stimulants
  • Intermediate gym-goers building support stacks
  • Men wanting DIM-based hormonal balance

Not Ideal If

  • Anyone under 18
  • Pregnant or nursing women
  • Users on hormone-related medications
  • People with hormone-sensitive conditions
  • Anyone expecting instant stimulant effects

Supplement Facts

Servings Per Container: 60
Ingredient Amount Per Serving % Daily Value
Letrosterone™ 60mg
Diindolylmethane (DIM) 100mg
Holy Basil Leaf 150mg
Phosphatidylserine 100mg

† Daily Value (DV) not established for this ingredient.

Brand-Published Lab Tests

ASL publishes test results from independent third-party labs. Svpplements links to the manufacturer’s data — we don’t test products ourselves.

Lab data is published by the manufacturer. Svpplements neither verifies nor warrants third-party test results — we curate the link so you can check the source. How we evaluate testing →
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Timing & Effects
When With meals
Time Any time
What You'll Feel
0-10 min
No stimulant hit; easy daily-use feel
1-7 days
Routine begins; subtle stress-support effects possible
💪
2-3 weeks
Hormonal balance support becomes more noticeable
🎯
3-4 weeks
Steadier recovery and less perceived puffiness
Weekly
Consistency matters more than timing
Monthly
Best judged over full uninterrupted use
Formula Deep Dive

Deep Dive

Hormone 2
Le
Letrosterone™
60mg
Di
Diindolylmethane (DIM)
100mg
Clinical
Adaptogen 1
Ho
Holy Basil Leaf
150mg
Mood 1
Ph
Phosphatidylserine
100mg
Hormone: 2Adaptogen: 1Mood: 1
ASL | Letro-XT | 60 Tablets
BASE ASL | Letro-XT | 60 Tablets
$49.99
ASL | CX10 Creatine | 35 ServingsCREATINE94

Creatine handles muscular performance and ATP-related output while Letro-XT handles the hormonal-support side. That makes this a clean, non-overlapping stack for lifters who want both performance and hormonal composure covered.

Take creatine daily; take Letro-XT at a consistent time each day

$36.99$1.23/srv 30 servings

Users reaching for hormone-support formulas often benefit from broader support practices as well. This pairs well in structured support phases where recovery and internal health are both priorities.

Take separately with meals; Letro-XT once daily

Raw Nutrition | Creatine Mono | 30 Servings
$15.95$0.53/srv 30 servings

A simple creatine monohydrate adds foundational strength and training support without interfering with Letro-XT's hormone-focused role. This is ideal for users who want a basics-first stack with no overlap.

Creatine daily any time; Letro-XT once daily

Afterdark | OrganX | 150 Capsules
$39.95$1.33/srv 30 servings

Organ support is a logical complement for users building more serious support protocols. Letro-XT covers estrogen-and-stress balance while OrganX broadens the stack toward internal support.

Use OrganX with meals; Letro-XT at a consistent daily time

Stack Total
calculating...
Per Day
Includes base product + selected items
ASL | Letro-XT | 60 Tablets70
$49.99
This Product
$/srv: $1.25
Them

Arimigen likely appeals more to users wanting a more direct, category-established estrogen-control profile.

$/srv: $1.17
This Product Wins

Letro-XT has a cleaner stress-support angle thanks to Holy Basil and Phosphatidylserine alongside DIM.

$/srv: $1.33
Tie

Both fit the estrogen-support category well, but Letro-XT is stronger on disclosed support actives while Estrozole may appeal to users seeking a different ingredient philosophy.

$/srv: $1.20
This Product Wins

Letro-XT is the better choice when the goal is targeted estrogen support rather than broader general male support.

Clinical Dosing

Clinical Dosing

Letrosterone™
Under-researched No clinical-dose range yet — manufacturer dose only.
60mg
Diindolylmethane (DIM)
Under-researched No clinical-dose range yet — manufacturer dose only.
100mg
Holy Basil
Under-researched No clinical-dose range yet — manufacturer dose only.
150mg
Phosphatidylserine
Under-researched No clinical-dose range yet — manufacturer dose only.
100mg
Comparison

How this stacks up

Side-by-side against the closest competitors. Score reflects clinical dosing, transparency, and testing.

Comparison data combines live storefront pricing with our SuppVault analysis. Competitor scores reflect public-label data; manufacturer-side changes may not be reflected in real time.

More Information
Full Product Description Article

ASL Letro-XT is a targeted hormone-support formula designed around one clear objective: improve the estrogen-and-stress side of the hormonal equation rather than pretending every hormone product needs to be a kitchen-sink testosterone booster. That makes the formulation strategy more focused than most category entries. Instead of loading the label with tribulus, fenugreek, and generic libido ingredients, Letro-XT concentrates on estrogen modulation, cortisol control, and maintaining a more favorable internal environment for recovery, body composition, and overall hormonal balance.

The centerpiece is Letrosterone™ at 60mg, a patented anti-estrogen compound from dehydroeliolidide and N-benzoyl-phenylalanine methyl ester. Human clinical literature on this exact compound is limited compared with established nutrients, so the most honest assessment is that this is the formula's proprietary differentiator rather than its most clinically validated component. The practical role is clear: it is positioned as the direct anti-estrogen driver of the formula and gives Letro-XT its category identity. Customers using this product are likely choosing it specifically for that targeted anti-estrogen angle rather than broad wellness support.

DIM is included at 100mg, which matters. Based on the ingredient knowledge base, the clinically relevant range is 100-200mg, so ASL lands right at the entry point of the researched dose window. DIM works by shifting estrogen metabolism away from the more proliferative 16-alpha-hydroxyestrone pathway and toward the more favorable 2-hydroxyestrone pathway. It also shows mild aromatase-inhibiting activity, interacts with the aryl hydrocarbon receptor, and can increase sex hormone-binding globulin. What you feel from DIM is rarely dramatic on day one, but over time users often report feeling less puffy, more balanced, and more "dialed in" when estrogen management is part of the goal.

Holy Basil (Ocimum sanctum) is dosed at 150mg. This is below the 400-500mg range often seen in the research context for basil-family extracts, so this is best described as a supportive, not standalone, dose. Even so, its role is smart. Holy Basil is used for stress adaptation, oxidative balance, and inflammatory control, which matters because hormonal support is rarely just about estrogen. If stress is high and cortisol is chronically elevated, recovery, mood, and body composition all suffer.

Phosphatidylserine is included at 100mg. The strongest research base for PS is around 300mg daily, so this is also below the classic standalone research dose. That said, it still makes formulation sense here. Phosphatidylserine is a membrane phospholipid with evidence for supporting cognitive function and helping modulate cortisol during stress. In a formula like this, it acts as a complementary recovery and neuroendocrine support ingredient rather than the main event.

The synergy is straightforward and intelligent: Letrosterone™ and DIM address estrogen from different angles, while Holy Basil and Phosphatidylserine help manage the stress side that can compound hormonal imbalance. That creates a more complete "hormone environment" product than a simple estrogen blocker alone. Transparency is mixed. The actives and their doses are disclosed, which is a major positive, but formula metadata indicates a proprietary-blend issue in the broader product context, and the patented Letrosterone™ compound itself lacks the depth of public human data available for ingredients like DIM.

What to expect: day 1 is usually subtle. This is not a stimulant or instant-feel product. Over 2-4 weeks of consistent use, the intended experience is better hormonal composure: less perceived water retention, steadier mood, cleaner recovery, and a more controlled feel during demanding training phases where estrogen management and stress load both matter.

Science & Clinical References 27 citations
DIM and Estrogen Metabolism6 studies

DIM is formed from indole-3-carbinol metabolites and influences estrogen handling at the metabolite level rather than acting like a blunt-force pharmaceutical intervention. Its best-known mechanism is shifting conversion away from 16-alpha-hydroxyestrone toward 2-hydroxyestrone, which is generally viewed as the more favorable pathway. DIM also interacts with the aryl hydrocarbon receptor and may exert mild aromatase-related effects. That combination makes it one of the more mechanistically credible non-prescription ingredients for estrogen-support formulas.

Why Stress Support Belongs in Hormone Formulas5 studies

Hormonal outcomes are not driven by sex hormones alone. Chronic stress alters cortisol dynamics, recovery quality, inflammatory tone, and body-composition regulation, which is why formulas that ignore stress pathways are often incomplete. Holy Basil contributes antioxidant and stress-adaptation properties, while Phosphatidylserine has evidence for cortisol modulation during acute stress. Together they support a broader neuroendocrine environment rather than a single-pathway claim.

Phosphatidylserine and Cortisol Physiology13 studies

Phosphatidylserine is a structural phospholipid heavily concentrated in neuronal membranes, where it influences signaling efficiency and membrane dynamics. Oral supplementation has been studied for cognitive effects, but exercise and stress research also suggest a role in moderating cortisol responses under demanding conditions. The most robust research often uses around 300mg daily, so 100mg should be interpreted as a supporting dose rather than a maximal standalone dose. In a multi-ingredient formula, that can still be useful when layered with complementary stress-support ingredients.

Focused Formulas vs Kitchen-Sink Hormone Blends3 studies

A focused formula is often easier to evaluate clinically because each ingredient has a defined job. Letro-XT uses a primary anti-estrogen compound, one mechanistically relevant estrogen-metabolism ingredient, and two stress-support ingredients. That is a more coherent strategy than many category products that scatter weak doses of libido herbs, testosterone botanicals, and mood ingredients without a real formulation center. For educated consumers, focus often beats label noise.

Product Details Specs
Product Type Hormone Support
Category Hormone Support
Brand ASL
Form Tablet
Servings 60
How to Take — Training Protocol3 phases

How to Use ASL | Letro-XT | 60 Tablets for Optimal Results

Same time each day
Daily Timing
Take 1 tablet daily with water. Morning or evening both work because the formula is stim-free.
With a regular meal
Meal Pairing
Take with breakfast or another consistent meal if you want easier routine compliance and better stomach comfort.
First 2-4 weeks
Consistency Window
Use every day without skipping and judge the formula over weeks, not after a single serving.
Warnings
Do not use if under 18.
Do not use if pregnant or nursing.
Consult a healthcare professional before use if taking hormone-related medications.
DIM 100mg and Letrosterone™ are intended to influence estrogen-related physiology.
Cycling: A 4-8 week evaluation block is practical for assessing results; advanced users may structure use around specific support phases.
Quick Answers

Quick Answers

What is ASL Letro-XT designed to do?

It is a hormone-support formula focused on anti-estrogen support and stress-related recovery. The formula centers on Letrosterone™, 100mg DIM, Holy Basil, and Phosphatidylserine.

How much DIM is in Letro-XT?

Each serving provides 100mg of DIM. That sits at the entry point of the 100-200mg range commonly referenced in the research context.

Is Letro-XT a testosterone booster?

Not in the typical sense. This formula is more accurately described as estrogen-and-stress support rather than a broad natural testosterone booster.

How many servings are in the bottle?

There are 60 servings per bottle. One tablet equals one serving.

Should I take Letro-XT every day or only on training days?

Take it daily, not just on training days. DIM and the broader hormone-support strategy work best when use is consistent.

Does Letro-XT contain stimulants or caffeine?

No meaningful stimulant profile is present here. This is a stim-free hormone-support formula and does not function like a pre-workout.

When should I take Letro-XT?

Any consistent time of day works, and many users take it with a meal. This is not an acute-effect product, so routine consistency matters more than exact timing.

Will I feel Letro-XT right away?

Usually no. Most users evaluate this formula over 2-4 weeks, not by an immediate sensation after one dose.

How does the Phosphatidylserine in this formula help?

Phosphatidylserine is included for stress and cortisol-related support. At 100mg, it is a supportive dose rather than the full 300mg often used in standalone research.

Is the Holy Basil dose high?

It is a supportive dose at 150mg, not a high standalone dose. Its role is to complement the hormone-support strategy by helping address stress physiology.

What should I stack with Letro-XT?

Foundational products like creatine and protein pair well because they support performance and recovery while Letro-XT handles the hormonal side. ASL | CX10 Creatine is a natural same-brand stack option.

Can I stack Letro-XT with another estrogen-control formula?

That is not the best place to start unless you have a specific reason and experience with that category. Letro-XT already includes a patented anti-estrogen compound plus 100mg DIM.

Is this suitable for beginners?

It is easy to tolerate, but it is still a specialized formula. It makes the most sense for users who specifically want estrogen-and-stress support.

Can I use Letro-XT in the evening?

Yes. Since it is stim-free, evening use is generally practical if that fits your routine better.
70

SuppVault Score

ASL | Letro-XT | 60 Tablets

💊 Clinical Dosing 5/10

No key actives identified

🏷 Label Transparency 5/10

No ingredient data

🏭 Manufacturing 4/10

No manufacturing certifications found

🔬 Testing 3/10

No third-party certification found

🧪 Inactive Ingredients 9/10

Minimal inactive ingredients

💰 Value 7/10

$0.83/serving — near $1.00 category median

Scores are relative to category averages. Proprietary blends score lower on transparency naturally — this is neutral fact, not penalty.

Athlete status

Verified athletes can view NCAA, WADA, and high-school compliance status for this product.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before use if you have a medical condition or take medications.

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ASL | Letro-XT | 60 Tablets $49.99
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100-Day Guarantee Free Returns Authentic Stock
$49.99