Our readers keep the lights on and my morning glass full of iced black tea. As an Amazon Associate, I earn from qualifying purchases.7 Best Supplements For Weight Gain For Females

Gaining weight as a female is often a frustrating battle against a fast metabolism, a small appetite, or post-workout energy deficits that make hitting a calorie surplus feel nearly impossible. The right supplement doesn’t just add empty calories—it delivers a targeted combination of protein, micronutrients, and appetite-supporting ingredients designed to help you build lean mass and achieve a fuller, healthier shape without forcing down meals you don’t want.

I’m Mohammad — the founder and writer behind ProteinJug. I’ve spent years analyzing supplement formulations for bioavailability, third-party testing standards, and the specific metabolic challenges women face when trying to gain weight safely.

After reviewing dozens of formulas, I’ve narrowed the field to the seven most effective options for females, focusing on protein quality, appetite stimulation, and nutrient density. This guide breaks down the top contenders to help you find the best supplements for weight gain for females that actually fit your lifestyle.

How To Choose The Best Supplements For Weight Gain For Females

Every body has a different basal metabolic rate, gut tolerance, and daily caloric need. The ideal supplement for one woman may cause bloating or fail to stimulate appetite in another. Focus on the factors below to find a formula that matches your specific physiology and goals.

Caloric & Protein Density Per Serving

Look for a supplement that delivers at least 20 grams of complete protein and 400 calories per serving if you’re aiming for a steady surplus. Whey protein isolate provides a fast-absorbing amino acid profile ideal for post-workout recovery, while casein or blended shakes offer a slower release that can help maintain fullness. Avoid formulas with sugar alcohols as the primary calorie source—they can cause digestive upset and provide little nutritional value beyond energy.

Appetite-Stimulating Mechanism

Many women struggle not with digestion but with a complete lack of hunger cues. Ingredients like lysine, folic acid, thiamine, and B-complex vitamins support healthy appetite signaling. Herbal extracts such as gymnema and chromium can help regulate blood sugar and reduce cravings, making it easier to stay in a caloric surplus without feeling overstuffed. Pills and capsules that target appetite are often a lighter alternative for those who cannot tolerate large shakes.

Form & Convenience

Capsules and pills are portable and require no prep, making them ideal for busy schedules or those who dislike the texture of shakes. Ready-to-drink bottles offer instant calorie delivery with no mixing, though they tend to be pricier per serving. Powders provide the most flexibility in dosage and can be blended into smoothies, oatmeal, or yogurt, but they require a shaker or blender and a few extra minutes of prep.

Third-Party Testing & Clean Label

Always verify that the product is manufactured in a GMP-certified facility and, ideally, third-party tested for purity and potency. Avoid supplements with proprietary blends that hide individual ingredient amounts. For females, look for formulas free of artificial colors, preservatives, and common allergens like gluten and dairy if you have sensitivities. Certifications like Non-GMO Project Verified provide an additional layer of trust.

Quick Comparison

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Model Category Best For Key Spec Amazon
Optimum Nutrition Gold Standard Whey Whey Protein Lean Muscle Mass 24g protein per 30g scoop Amazon
Supragenix CB-1 Weight Gainer Pills Appetite Booster Curvier Figure & Fullness 8-week clinical trial data Amazon
BOOST Very High Calorie Drink Ready-to-Drink Convenient Calorie Surplus 530 calories per 8 fl oz Amazon
Glute Y Glow by Amatemas Creatine + Beauty Blend Curve Sculpting & Recovery 5g creatine + biotin per serving Amazon
Primal Harvest Creatine Powder Micronized Creatine Strength & Recovery 5g creatine + 1g amino acids Amazon
Lemme Curb Cravings Soft Chews Craving Control Metabolism & Lean Body Clinically studied Chromax chromium Amazon
NGL Appetite Booster Pills Vitamin-Rich Appetite Support Gentle Hunger Stimulation Lysine, folic acid, B-complex Amazon

In‑Depth Reviews

Best Overall

1. Optimum Nutrition Gold Standard 100% Whey Protein Powder

24g ProteinLow Sugar

Optimum Nutrition Gold Standard Whey has remained a top-tier choice for decades precisely because it delivers a clean 24 grams of whey protein per scoop with only about 1 gram of sugar and 3 grams of carbs, making it ideal for females who want to add lean mass without packing on excess water weight or fat. The primary ingredient is whey protein isolate, which is rapidly absorbed and contains all nine essential amino acids, including 5.5 grams of naturally occurring BCAAs that support muscle repair after strength training. The Double Rich Chocolate flavor is consistently praised for being smooth, never clumpy, and only mildly sweet—it mixes effortlessly into cold water or milk with just a spoon or shaker.

Beyond muscle support, this powder provides 11 grams of naturally occurring EAAs per scoop, which is critical for women who train to build shape in the glutes, thighs, and shoulders. The low-carb, low-fat profile means you can easily add a scoop to a smoothie with nut butter and oats to create a 400+ calorie shake without the macros ballooning out of control. Long-term users consistently report steady, manageable weight gain when using this post-workout or as a breakfast supplement, alongside better recovery and reduced next-day soreness.

That said, a small number of users have reported digestive discomfort—likely due to the whey protein concentrate fraction—so those with severe lactose sensitivity may want to test with a small serving first. The 1.98-pound tub provides roughly 30 servings, which is a solid value for the quality, though the price per serving sits above budget powders. For a woman looking for a reliable, research-backed protein source to build muscle and support weight gain without unnecessary fillers, this is the gold standard for a reason.

Why it’s great

  • Whey protein isolate primary ingredient ensures fast absorption and high leucine content
  • Low sugar and carb profile allows custom calorie stacking
  • Instantly mixes without clumps or grit in cold liquids

Good to know

  • Contains milk, so not suitable for vegans or those with dairy allergy
  • Some users find the Double Rich Chocolate flavor has a slight artificial aftertaste
Calorie Dense

2. BOOST Very High Calorie Nutritional Drink

530 Calories22g Protein

BOOST Very High Calorie packs an extraordinary 530 calories and 22 grams of high-quality protein into a single 8-ounce bottle, making it one of the most calorie-dense ready-to-drink options available for females who need a quick, no-prep surplus. The formula includes 26 vitamins and minerals, with notable amounts of immune-supporting vitamin C, zinc, and iron, plus B12 and niacin for brain health and calcium for bone density—nutrients that are often underconsumed during weight gain efforts. The variety pack includes Vanilla, Chocolate, and Strawberry, each designed to taste more like a milkshake than a medicinal shake, with reviewers frequently comparing the Strawberry and Vanilla flavors to melted ice cream.

For women with a very low appetite or those recovering from illness, the liquid format removes the physical discomfort of chewing through a large meal. The 530-calorie density means you can sip one as a breakfast replacement or a post-workout recovery drink and effectively add a full meal’s worth of energy without feeling overly full. The inclusion of 22 grams of protein per bottle helps preserve lean muscle mass while the bulk of calories come from carbohydrates and fats, supporting steady, sustainable weight gain when used consistently.

On the downside, the 24-pack is relatively heavy to ship and takes up significant pantry space. Some users report that drinking the shake too quickly on an empty stomach can cause mild nausea, and the texture is noticeably thick—though chilling it or pouring it over ice helps. The price per bottle is higher than mixing powder, but the convenience of grab-and-go nutrition is unmatched for women with packed schedules who often skip meals. If your primary barrier to weight gain is simply not eating enough, this is a remarkably effective solution.

Why it’s great

  • 530 calories per 8-ounce serving is among the highest density ready-to-drink options
  • Complete micronutrient profile supports immune and bone health
  • No mixing required—open and drink anywhere

Good to know

  • Thick texture may be off-putting to some; best served chilled
  • Contains dairy, so not suitable for lactose-intolerant individuals
Curve Sculptor

3. Supragenix CB-1 Weight Gainer Pills

Clinical TrialAppetite Support

Supragenix CB-1 Weight Gainer Pills stand apart because they are one of the few weight-gain supplements backed by an 8-week clinical test showing users gained more weight on average than with diet alone, giving you quantifiable evidence rather than anecdotal hype. The formula is designed to increase appetite and slow metabolic rate, helping women build mass in targeted areas like the hips, thighs, chest, and glutes—exactly the curves many females are after. Unlike mass gainer shakes that primarily deliver calories, CB-1 uses a blend of natural herbs, vitamins, and minerals to shift your internal hunger signals so you naturally eat more without forcing it.

Women in the customer reviews report gaining between 2 and 11 pounds over a few weeks, with consistent mentions of feeling genuinely hungry for the first time in years. The capsules are easy to swallow, contain no artificial flavors, and are free of gluten, shellfish, and most common allergens—though the formula does include soy-derived lecithin and herbs from the ragweed family, so those with related allergies should review the label carefully. Users with hyperthyroidism or high metabolisms have particularly noted that CB-1 helps them hold onto weight more easily while maintaining athletic performance.

The main drawback is that efficacy varies significantly by individual: about one in five reviewers saw no appetite change at all, and the return policy reportedly changes after purchase, which adds some risk. Additionally, the pill format means you don’t get the direct protein or calorie intake that shakes provide—you still have to actually eat the food once your appetite kicks in. For women who can eat but simply lack hunger cues, CB-1 is a well-researched tool that addresses the root cause rather than just adding calories.

Why it’s great

  • 8-week clinical trial data validates real weight gain results
  • Targeted formulation for female curve development (hips, thighs, chest)
  • No artificial preservatives or common allergens like gluten or shellfish

Good to know

  • Does not provide direct calories—requires you to eat more on your own
  • Return policy may be restrictive; check before purchasing
Beauty & Muscle

4. Glute Y Glow by Amatemas – Women’s Creatine + Biotin

Creatine + BiotinHorchata Flavor

Glute Y Glow by Amatemas is a 2-in-1 formula that combines 5 grams of creatine monohydrate with beauty-focused nutrients like biotin and epicatechins, specifically marketed toward women who want to build glute muscle while also supporting hair, skin, and nail health. The horchata flavor is a unique and pleasant departure from standard fruit or chocolate profiles, and reviewers consistently praise its taste and mixability. Each serving delivers the clinically backed creatine dose needed for strength and power output during lower-body workouts, while the added biotin helps counteract the hair thinning that some women experience during aggressive weight gain phases.

Female users report noticeable improvements in energy for evening workouts, reduced knee pain during weighted lunges, and clearer skin after consistent use—a side effect not typically associated with standard creatine powders. The formula is Non-GMO, gluten-free, and made in a GMP-certified facility, which gives it a clean-label advantage over many bulk creatine options. Because it’s a powder, you can mix it into smoothies, oatmeal, or even yogurt, making it easy to incorporate into a higher-calorie breakfast or post-workout meal.

The biggest practical issue reported is that the powder does not dissolve instantly in cold water; it tends to clump unless stirred vigorously or mixed with warm liquid first. Some users with sensitive stomachs have noted mild bloating in the first week, which is common with creatine loading but worth planning for. Additionally, the price per serving is higher than plain creatine monohydrate, but the added biotin and targeted female-friendly formulation justify the premium for women who want dual benefits from a single scoop.

Why it’s great

  • Combines muscle-building creatine with beauty-supporting biotin
  • Unique horchata flavor that mixes well into warm liquids or smoothies
  • Made in a GMP-certified facility with Non-GMO ingredients

Good to know

  • Does not dissolve easily in cold water without constant stirring
  • May cause initial bloating during the first week of use
Strength Builder

5. Primal Harvest Creatine Powder Supplement

5g CreatineVegan Friendly

Primal Harvest Creatine Powder delivers a straightforward 5-gram dose of micronized creatine monohydrate plus an additional 1 gram of amino acids per serving, making it a clean, no-nonsense option for females who want to boost strength and recovery without extra calories from flavorings or sugar. The micronized texture is noticeably finer than standard creatine, which helps it dissolve in cold water with only minimal residue at the bottom of the glass. It’s naturally sweetened with a very light touch, and reviewers describe the taste as neutral enough to blend seamlessly into any beverage or smoothie without altering the flavor profile.

For women looking to gain weight through increased muscle mass, creatine’s mechanism of drawing water into muscle cells creates a visible fullness and improves workout performance, allowing you to lift heavier and recover faster between sets. The added amino acids support the repair process directly, and because the formula is free of gluten, dairy, soy, sugar, and nuts, it’s suitable for nearly any dietary restriction. Users report that taking it post-workout rather than pre-workout eliminates any potential stomach upset, which was a common issue when consumed on an empty stomach before exercise.

The main limitation is that creatine alone does not provide calories—you still need to pair it with a caloric surplus from food or a protein shake to actually drive weight gain on the scale. The resealable bag packaging is functional but less convenient than a tub, and the price per serving sits in the mid-range. For the female athlete who already has a solid nutrition plan but needs that extra strength edge to grow muscle, Primal Harvest is a clean, well-tested option that delivers exactly what it promises without unnecessary extras.

Why it’s great

  • Micronized creatine mixes easily with minimal grit or residue
  • Free of 8 major allergens including gluten, dairy, soy, and nuts
  • Neutral flavor blends perfectly into any drink or meal

Good to know

  • Does not supply calories—must be combined with a caloric surplus
  • Some users experience mild stomach upset if taken pre-workout
Sweet Cravings

6. Lemme Curb Cravings Soft Chews

Chromium + GymnemaMixed Berry

Lemme Curb Cravings Soft Chews take a different approach to weight management by using clinically studied Chromax chromium and gymnema to regulate blood sugar and reduce cravings, which can be a powerful indirect tool for females trying to gain weight. While most weight-gain supplements focus on increasing appetite, this formula helps stabilize energy and reduce between-meal snacking, making it easier to stick to structured, nutritious meals that support a caloric surplus. Each soft chew is individually wrapped, convenient, and tastes convincingly like a mixed-berry fruit snack rather than a medicinal supplement.

The inclusion of vitamin B12 helps convert food into usable energy, which can benefit women who feel fatigued during a weight-gain phase. The formula is vegetarian, gluten-free, and free of sugar alcohols and synthetic colors, which reduces the risk of digestive upset compared to many gummy supplements. Users who struggle with emotional eating or erratic hunger patterns have reported that the chews help them feel more in control of their eating schedule, allowing them to focus on consuming larger, more calorie-dense meals at set times.

However, important context is needed: the texture of the chews is firm—some reviewers call them “hard and chewy” rather than soft—which can be difficult for individuals with dental work or sensitive jaws. Additionally, the effect on cravings is subtle and may take several days of consistent use before becoming noticeable. These chews are not a direct weight-gain supplement in the traditional sense; they are better suited as a supporting tool for women who need to manage metabolic fluctuations in order to maintain a consistent eating routine. If you need immediate calorie delivery or appetite stimulation, this is not the primary choice.

Why it’s great

  • Clinically studied Chromax chromium for blood sugar regulation
  • Convenient individually wrapped format—no measuring or mixing
  • Good for managing erratic hunger and emotional eating patterns

Good to know

  • Texture is firm and very chewy, not soft as advertised
  • Provides no direct calories or protein for weight gain
Gentle Start

7. NGL Appetite Booster Pills Extra Strength for Adults

Lysine & B-Complex30-Day Supply

NGL Appetite Booster Pills provide a straightforward vitamin-and-mineral approach to stimulating hunger, fortified with lysine, folic acid, iron, thiamine, and a full B-complex spectrum. This is a good starting point for women who have never tried appetite support and want a low-risk, low-cost entry point before committing to more expensive formulas. The three-capsule daily serving provides a 30-day supply per bottle, and the formula contains no preservatives or unnecessary chemicals—just amino acids, vitamins, and essential minerals.

Many female users report feeling more energetic and genuinely hungry after a few days, with one reviewer noting that it helped her transition from feeling constantly tired with no desire to eat to having a normal appetite and being able to fuel her exercise routine. The inclusion of iron is particularly relevant for women who may have subclinical iron deficiency, which can contribute to fatigue and poor appetite. Because the pills are small and easy to swallow, even those who dislike taking supplements find the routine manageable.

Efficacy is not universal: approximately one in five users report seeing no effect on appetite at all, so individual response varies significantly. The formula does not contain any herbal appetite stimulants like hemp or fenugreek, which some users may find less effective than more aggressive blends. Additionally, the manufacturer, CJ Labs, is a smaller brand with less extensive third-party testing history compared to larger supplement houses. For the price, it’s a reasonable first attempt, but be prepared to move up to a more potent formula like CB-1 if you see no change within two weeks.

Why it’s great

  • Low-cost entry point to test appetite support
  • Includes iron and B vitamins that support energy and overall health
  • Easy-to-swallow capsules with no aftertaste

Good to know

  • About 20% of users see no appetite change
  • Smaller brand with less third-party testing transparency

FAQ

Are weight gain supplements for females different from those for men?
Yes, the best formulations for women often include additional nutrients like iron, biotin, and folic acid that address female-specific needs such as hair health and energy levels during the menstrual cycle. Some supplements also target fat distribution patterns in the hips, thighs, and glutes rather than just overall body mass.
Can I gain weight with appetite booster pills alone?
No—appetite booster pills only stimulate hunger signals; you still need to consume a caloric surplus through food or protein shakes to see the scale move. They work best as a tool to help you eat more consistently, especially if you struggle with skipping meals due to lack of appetite.
How long does it take to see results from female weight gain supplements?
Most users notice an increase in appetite within 3 to 7 days of consistent use. Visible weight gain on the scale typically appears after 2 to 4 weeks when paired with a consistent caloric surplus of 300 to 500 calories above maintenance. Creatine-based supplements may show a quicker 2-3 pound increase due to water retention in muscle cells.

Final Thoughts: The Verdict

For most users, the supplements for weight gain for females winner is the Optimum Nutrition Gold Standard Whey because it provides a proven, flexible protein base that supports lean muscle growth without unwanted additives, and it can be easily stacked with calorie-dense ingredients. If you want appetite-targeted support to naturally eat more, grab the Supragenix CB-1 Weight Gainer Pills. And for no-prep, grab-and-go convenience that delivers 530 calories in a single serving, nothing beats the BOOST Very High Calorie Nutritional Drink.