You want to build muscle and improve your body composition, but the side effect profile of traditional anabolic steroids gives you pause. You've started seeing SARMs mentioned in every gym community β but half the information out there is either hype or fear-mongering. Neither extreme helps you make an informed decision.
This guide cuts through both. We'll cover exactly what SARMs are, how they differ from steroids, the most researched options for beginners, realistic results, and what you need to know about PCT before you start.
What Are SARMs?
SARM stands for Selective Androgen Receptor Modulator. SARMs are a class of compounds β originally developed by pharmaceutical companies for treating muscle-wasting diseases, osteoporosis, and hypogonadism β that bind to androgen receptors in the body.
The "selective" part is key. Unlike anabolic steroids, which activate androgen receptors throughout the body (muscle, bone, skin, prostate, scalp, liver), SARMs were engineered to preferentially activate receptors in muscle and bone tissue while having minimal effect on organs like the prostate and liver.
In practice, the selectivity is real but not absolute β which is why "SARMs have zero side effects" is a myth, and "SARMs are as dangerous as steroids" is also an exaggeration. The truth is in the middle, and it depends heavily on the specific SARM, dosage, and individual.
SARMs vs Steroids: Key Differences
FactorAnabolic SteroidsSARMs MechanismActivate androgen receptors system-widePreferentially target muscle/bone receptors AdministrationInjectable or oralOral only (most common) Liver toxicityOral steroids: significant; injectables: moderateLower, but not zero Testosterone suppressionSignificant to completeMild to moderate (compound-dependent) Aromatization (estrogen conversion)Yes (testosterone-based compounds)No direct aromatization Hair loss riskSignificant for DHT-derived compoundsLower (no DHT conversion) Muscle gain potentialHigher (at comparable doses)Moderate β but meaningful Legal statusSchedule III in US; varies by countryResearch chemical β grey area in most countries
Are SARMs Legal?
SARMs are not approved by any drug regulatory agency (FDA, EMA) for human use. They exist in a legal grey area β not scheduled as controlled substances in most countries, but also not approved pharmaceuticals. They are sold as "research chemicals" in many markets.
In competitive sports, SARMs are banned by WADA (World Anti-Doping Agency) and will result in positive doping tests. If you're a competing athlete, SARMs are off the table.
For non-competing individuals, the legal situation varies by country. Research your local laws before purchasing.
The 4 Best SARMs for Beginners
1. Ostarine (MK-2866) β Best First SARM
Ostarine is the mildest, most studied, and most beginner-friendly SARM. It's excellent for cutting (preserving muscle while losing fat) and recomping. Suppression is minimal at standard doses. Side effects are rare. If you've never used SARMs before, Ostarine is where you start.
Beginner dose: 15β20 mg/day
Cycle length: 8 weeks
Best for: Cutting, recomp, first cycle
PCT required: Mini-PCT at low doses; full PCT for extended/high-dose runs
2. LGD-4033 (Ligandrol) β Best for Lean Mass
LGD-4033 is one of the most effective SARMs for building lean muscle mass. It's noticeably more suppressive than Ostarine and produces more dramatic results. Not ideal for a true first SARM cycle β start with Ostarine and move to LGD-4033 on your second run.
Beginner dose: 5 mg/day
Intermediate dose: 10 mg/day
Cycle length: 8 weeks
Best for: Lean bulking, strength
PCT required: Yes β Nolvadex 4 weeks minimum
3. RAD-140 (Testolone) β Best for Strength and Aggression
RAD-140 is among the most anabolic SARMs β some research suggests its anabolic ratio rivals testosterone. It produces significant strength and lean muscle gains. Suppression is meaningful, and some users report increased aggression (positive for training, less so for daily life). For intermediate users looking for a step up from LGD-4033.
Dose: 10β15 mg/day
Cycle length: 8 weeks
Best for: Strength, lean mass, experienced SARM users
PCT required: Yes β Nolvadex 4β6 weeks
4. Cardarine (GW-501516) β Best for Endurance and Cutting
Cardarine is technically not a SARM β it's a PPARΞ΄ agonist. It doesn't bind to androgen receptors. But it's commonly stacked with SARMs because it dramatically improves endurance, increases fat oxidation, and enhances the cardiovascular benefits of a cut. Cardarine causes no testosterone suppression and doesn't require PCT on its own.
Dose: 10β20 mg/day
Cycle length: 8 weeks maximum
Best for: Endurance, cutting, stacking with Ostarine or LGD
PCT required: No (non-suppressive)
β Browse the full SARMs range at Hilma Biocare
Beginner SARM Recommendations by Goal
GoalRecommended SARMOptional Add-On First SARM cycleOstarine 15 mg/dayβ Cutting / body recompOstarine 20 mg/dayCardarine 10 mg/day Lean bulkingLGD-4033 5β10 mg/dayβ Strength + enduranceRAD-140 10 mg/dayCardarine 10 mg/day
Do SARMs Require PCT?
This question gets more nuance than most answers online give it. The short answer: it depends on the SARM, dose, cycle length, and your bloodwork.
Ostarine at 15 mg for 8 weeks: Suppression is typically mild. Many users recover without a formal SERM-based PCT. Bloodwork at cycle end will tell you definitively.
LGD-4033 at any dose: Suppression is significant. A 4-week Nolvadex mini-PCT (20 mg/day) is recommended.
RAD-140: Meaningfully suppressive. Full 4β6 week Nolvadex PCT is warranted.
Cardarine: Non-suppressive. No PCT required.
The safest approach: run bloodwork at the end of your cycle. If LH, FSH, and testosterone are suppressed below normal, run a mini-PCT. If they're normal, you may not need to. Don't guess.
For a complete PCT guide, see our Post Cycle Therapy Complete Guide.
Realistic Results from SARMs
Results depend on your training, diet, and sleep β SARMs don't override a bad program. With those in order, realistic expectations from an 8-week cycle:
SARMLean Muscle GainFat Loss Potential Ostarine (cut)2β4 lbsSignificant preservation of muscle LGD-4033 (lean bulk)6β10 lbs leanModerate RAD-1408β12 lbs leanModerate Cardarine onlyMinimalNoticeable improvement in endurance/fat oxidation
These are rough ranges. Individual results vary significantly based on genetics, training age, diet, and whether you've used anabolics before. First-time users typically see the best relative response. Individual results may vary.
Frequently Asked Questions
Can I stack two SARMs on my first cycle?
No. Run a single SARM on your first cycle. Stacking introduces more variables, more suppression, and more potential for side effects. You won't be able to identify which compound is causing any issue if you run two simultaneously. Start with Ostarine alone.
Will SARMs cause hair loss?
SARMs don't convert to DHT, which is the primary driver of androgenetic hair loss. However, some highly anabolic SARMs (particularly RAD-140) can still cause shedding in individuals genetically predisposed to hair loss. If hair loss concerns you, Ostarine or Cardarine are your safest options.
Do SARMs affect lipids?
Yes. Oral SARMs suppress HDL ("good cholesterol") and can elevate LDL, similar to oral anabolic steroids. The effect is less dramatic than strong oral steroids like Winstrol but is not zero. Monitor your lipid panel before, during, and after a cycle.
How long should I wait between SARM cycles?
The standard recommendation is time-on equals time-off. If you ran an 8-week cycle plus a 4-week PCT, wait at least 12 weeks before your next cycle. This allows your HPTA to fully recover and your body to consolidate gains.
Are SARMs safer than steroids?
For most individuals at standard doses, SARMs have a more favorable side effect profile than anabolic steroids β particularly regarding estrogenic sides, hair loss, and virilization (in women). However, "safer" does not mean "safe." Suppression, lipid changes, and unknown long-term effects are real considerations. Individual results may vary.
Disclaimer: This content is for informational and research purposes only. SARMs are not approved for human use by any regulatory authority. This does not constitute medical advice. Consult a qualified healthcare professional before use. Individual results may vary.